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Finding the Third Proportional to 485,588 and 761,744

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Solution

The third proportional to 485,588 and 761,744 is: 1,194,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,588 : 761,744 = 761,744 : x
  2. Step 2: Convert to fraction form
    485,588/761,744 = 761,744/x
  3. Step 3: Cross multiply
    485,588x = 761,744 × 761,744
  4. Step 4: Simplify right side
    485,588x = 580,253,921,536
  5. Step 5: Solve for x
    x = 580,253,921,536/485,588
  6. Step 6: Final answer
    x = 1,194,951.11

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.