en.wikipedia.org/wiki/Geometric_progression

In mathematics, a geometric progression, also known as a geometric sequence,
is a sequence of numbers where each term after the first is found by multiplying
the previous one by a fixed, non-zero number called the **common ratio**. For
example, the sequence 2, 6, 18, 54, ... is a geometric progression with **common**
**ratio** 3.

www.mathwords.com/c/common_ratio.htm

For a geometric sequence or geometric series, the **common ratio** is the ratio of a
term to the previous term. This ratio is usually indicated by the variable r.

www.varsitytutors.com/hotmath/hotmath_help/topics/common-ratio

The constant factor between consecutive terms of a geometric sequence is called
the **common ratio**.

study.com/academy/lesson/common-ratio-definition-lesson-quiz.html

The **common ratio** is the ratio between two numbers in a geometric sequence.
Keep reading for a detailed definition, the formula for determining the...

courses.lumenlearning.com/precalcone/chapter/finding-common-ratios

Each term of a geometric sequence increases or decreases by a constant factor
called the **common ratio**. The sequence below is an example of a geometric ...

www.mathematicsdictionary.com/english/vmd/full/c/commonratio.htm

**common ratio**. The ratio of successive terms in a geometric sequence. Related
Terms: geometric sequence, ratio, term. English | Español.

mathspace.co/learn/world-of-maths/sequences-and-series/finding-the-common-ratio-18733/finding-the-common-ratio-1130

Sometimes we are asked to find the **common ratio** of a certain geometric
progression, and then use this to find a group of terms or simply a specific term.

www.purplemath.com/modules/series3.htm

To find the **common ratio**, I have to divide a successive pair of terms. It doesn't
matter which pair I pick, as long as they're right next to each other. To be
thorough ...

www.mathcaptain.com/algebra/common-ratio.html

We deal with varies terms like **common ratio**, common distance, first term, n-th
term etc. In geometric series or sequence, the **common ratio** is the ratio of a term
to ...