Stop Guessing Your Numbers! How to Use Excel Goal Seek to Solve Problems Instantly Stop Guessing Your Numbers! How to Use Excel Goal Seek to Solve Problems Instantly You know the answer you want. You just don't know how to get there. Stop typing random numbers into cell A1 hoping for the best. Let Excel do the math. We have all been in this situation: You have a complex spreadsheet calculating a loan payment, a profit margin, or a project budget. Your boss walks in and says, "We need the total profit to be exactly $50,000. How many units do we need to sell?" Most people start playing the "High-Low" game. They type 100... too low. They type 200... too high. They type 150... closer. This is a waste of time. Excel has a built-in tool called What-If Analysis that can reverse-engineer any formula in seconds. The most useful of these tools is Goal Seek . ...