# Ratio Formula and Mid Point Formula

Let and be any two points on the line.

Let a point be the point which divides PQ in the ratio i.e. PR : PQ =

From P, R and Q draw PM, RN and OL perpendicular to the X-Axis.

From â€˜Pâ€™ draw to RN.

From â€˜Râ€™ draw to QL.

Since the right triangles and

and are similar triangles.

Cross Multiplication

Cross Multiplication

Required Point