At a given temperature and pressure, the equilibrium constant values for the equilibria are given below:
\[ 3A_2 + B_2 \rightleftharpoons 2A_3B, \, K_1 \]
\[ A_3B \rightleftharpoons \frac{3}{2}A_2 + \frac{1}{2}B_2, \, K_2 \]
The relation between \( K_1 \) and \( K_2 \) is: