Then multiply both of these individual products together, and divide by the overall gear ratio times the number of inches in a mile (63,360). "336" is simply the reduced, rounded-off whole-number ...

Discover what geometric sequences are and how they are formed. Learn how to find a common ratio with this Bitesize KS3 maths guide.

In geometric sequences, the term-to-term rule is to multiply or divide by the same value. Learn other sequences including square numbers and the Fibonacci sequence.