First, you need to convert the scale of the map to kilometers.
To do this, we divide 1,000,000 by 100,000, since there are 100,000 centimeters in 1 kilometer.
1,000,000 / 100,000 = 10 km in 1 cm.
To do this, in order to find the distance on the ground, we multiply the length of the segment by the resulting map scale in kilometers.
10 * 37 = 370 km.
The distance on the ground is 370 km.
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