Genesis 41:16, 32, 54

“I cannot do it,” Joseph replied to Pharaoh, “but God will give Pharaoh the answer he desires.”

The reason the dream was given to Pharaoh in two forms is that the matter has been firmly decided by God, and God will do it soon.

and the seven years of famine began, just as Joseph had said. There was famine in all the other lands, but in the whole land of Egypt there was food.