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Finding the Third Proportional to 451,539 and 980,811

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Solution

The third proportional to 451,539 and 980,811 is: 2,130,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,539 : 980,811 = 980,811 : x
  2. Step 2: Convert to fraction form
    451,539/980,811 = 980,811/x
  3. Step 3: Cross multiply
    451,539x = 980,811 × 980,811
  4. Step 4: Simplify right side
    451,539x = 961,990,217,721
  5. Step 5: Solve for x
    x = 961,990,217,721/451,539
  6. Step 6: Final answer
    x = 2,130,469.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.