Finding the Third Proportional to 745 and 801
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Solution
The third proportional to 745 and 801 is: 861.21
Step by Step Solution
- Step 1: Write the proportion equation
745 : 801 = 801 : x - Step 2: Convert to fraction form
745/801 = 801/x - Step 3: Cross multiply
745x = 801 × 801 - Step 4: Simplify right side
745x = 641,601 - Step 5: Solve for x
x = 641,601/745 - Step 6: Final answer
x = 861.21
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Why These Related Problems?
These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.