x/z = (x/y) * (y/z) = (3/4) * (8/9) = 24/36 = 2/3. Therefore, x : z = 2 : 3.
x/z = (x/y) * (y/z) = (3/4) * (8/9) = 24/36 = 2/3। इसलिए, x : z = 2 : 3।