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Finding the Third Proportional to 131,229 and 278,862

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Solution

The third proportional to 131,229 and 278,862 is: 592,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,229 : 278,862 = 278,862 : x
  2. Step 2: Convert to fraction form
    131,229/278,862 = 278,862/x
  3. Step 3: Cross multiply
    131,229x = 278,862 × 278,862
  4. Step 4: Simplify right side
    131,229x = 77,764,015,044
  5. Step 5: Solve for x
    x = 77,764,015,044/131,229
  6. Step 6: Final answer
    x = 592,582.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.