# Find the distance between cities A and B, if the distance between them on the map is 3.4 cm

August 30, 2021 | education

| **Find the distance between cities A and B, if the distance between them on the map is 3.4 cm and the scale of the map is 1: 3000000.**

Let’s use the proportion to solve the problem of finding the distance between two cities.

Proportion is the equality of two relationships. There is a ratio of the scale of the map and a value that expresses the distance between two cities.

1 cm / 3,000,000 = 3.4 cm / x

x = 3.4 * 3,000,000

x = 10200000

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