We can assume the age of the groom is represents by the variable "x."
According to the given tradition in the Pythagorean Planet, the sum of the square of the bride's age (33^2) and the square of the groom's age (x^2) must be equal to the square of the age of the bride's father (500^2).
Therefore, we can set up the equation:

Therefore, the groom was approximately 498.91 years old when Juniper got married.