if x% of y is 100 and y% of z is 200,then find the relationship between x and z

x%y=100 :) x.y/100=100 :)x.y=10000 :)y=10000/x----(1) y%z=200 :) y.z=20000 :)y=20000/z----(2) from 1 & 2 10000/x =20000/z z/x=2/1