Select the option that is related to the third number in the same way as the second number is related to the first number.$7:346::6:?$

Let's find the mathematical relation between 7 and 346:We know that the cube of 7 is:
$$7^3=343$$
Adding 3 to it gives:
$$343+3=346$$
Let's apply the same logic to 6:
$$6^3=216$$
Adding 3 to it gives:
$$216+3=219$$