Question

the scale of a map is given as 1:200000. two cities are 3cm apart on the map. calculate the actual distance between there

Answer 1

Answer
1 : 200000 : : 3 : x
x = 200000 × 3
x =600000

Answer 2

we can solve it by

1:20000=3cm:x
1/20000=3cm/x
x*1=20000*3cm
x=60000cm