Are all the variants of the following sentence correct? [closed]

Question

1. He works with investors to understand their investment goals and find ways to maximize their profits.
2. He works with investors to understand their investment goals and to find ways to maximize their profits.
3. He works with investors to understand their investment goals and finds ways to maximize their profits.

Answer 1

All 3 versions are grammatically correct.

1 and 2 have identical meaning and can be used interchangeably, 3 is subtly different.

In 1 & 2 "he works to find", which doesn't guarantee that he succeeds.

In 3 "he finds", which implies success every time.