Enter any to consecutive terms of a sequence into the calculator to determine the common ratio.

## Common Ratio Formula

The following equation is used to calculate the common ratio of a sequence of numbers.

r = a(n+1)/ a(n)

- Where r is the common ratio
- a (n+1) is the number following a(n)
- a(n) is an arbitrary number in a sequence.

## FAQ

**What is a common ratio?**

A common ratio is a term used to describe the ratio of to consecutive terms in a sequence of numbers.

**What is a geometric sequence?**

A sequence is any set of numbers that can be described using a formula such that any subsequent number can be calculated using the same formula.

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