Stickman and mathematics

Stickman teach proportional expression to the nature of the radical.

Problem, let one.
real number x, y, z for x: y = 3: 2, when,

If the stickman to a lot of it just fits the assignment.
If there is a fraction doubt make an unconditional reduction of fraction.

Writes for the school, where the proportional factor k is a need to write.