Finding the Third Proportional to 394,108.88 and 816,243.75
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Solution
The third proportional to 394,108.88 and 816,243.75 is: 1,690,532.49
Step by Step Solution
- Step 1: Write the proportion equation
394,108.88 : 816,243.75 = 816,243.75 : x - Step 2: Convert to fraction form
394,108.88/816,243.75 = 816,243.75/x - Step 3: Cross multiply
394,108.88x = 816,243.75 × 816,243.75 - Step 4: Simplify right side
394,108.88x = 666,253,859,414.06 - Step 5: Solve for x
x = 666,253,859,414.06/394,108.88 - Step 6: Final answer
x = 1,690,532.49
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.