Ratio

1. Given that \(\frac{3}{5}x = \frac{7}{12}y\), find the ratio of \(x : y\).
2. Given that \(\frac{15}{2}x = \frac{7}{6}y\), find the ratio of \(x : y\).

Assume \(x\) and \(y\) are nonzero, so the requested ratio is defined.