Question

Scale of the map 1:3 * 10^5 distance between the two point in that map is 2.5 cm actual distance between the map is

Answer 1

1 is equivalent to 3*10^5

So 2.5 cm is equivalent to 2.5*3*10^5 cm ~7.5*10⁵ cm ~  7.5 Km

Answer 2

Lets rewrite this scale :

1 : 3 × 10⁵ means :

1 cm represents 100000 meters

We want to get the actual length of a representation of 2.5 cm

Now :

1 cm represents 100000 meters

2.5 cm will represent ?

by cross multiplication :

2.5/1 × 100000 = 250000 meters

We can convert this to kilometers .

1 km = 1000m

250000 m / 1000 = 250 Km