Finding the Third Proportional to 396,586 and 615,616
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Solution
The third proportional to 396,586 and 615,616 is: 955,613.81
Step by Step Solution
- Step 1: Write the proportion equation
396,586 : 615,616 = 615,616 : x - Step 2: Convert to fraction form
396,586/615,616 = 615,616/x - Step 3: Cross multiply
396,586x = 615,616 × 615,616 - Step 4: Simplify right side
396,586x = 378,983,059,456 - Step 5: Solve for x
x = 378,983,059,456/396,586 - Step 6: Final answer
x = 955,613.81
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.