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Finding the Third Proportional to 296,261 and 656,581

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Solution

The third proportional to 296,261 and 656,581 is: 1,455,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,261 : 656,581 = 656,581 : x
  2. Step 2: Convert to fraction form
    296,261/656,581 = 656,581/x
  3. Step 3: Cross multiply
    296,261x = 656,581 × 656,581
  4. Step 4: Simplify right side
    296,261x = 431,098,609,561
  5. Step 5: Solve for x
    x = 431,098,609,561/296,261
  6. Step 6: Final answer
    x = 1,455,131.15

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.