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Finding the Third Proportional to 125,552 and 279,040

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Solution

The third proportional to 125,552 and 279,040 is: 620,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,552 : 279,040 = 279,040 : x
  2. Step 2: Convert to fraction form
    125,552/279,040 = 279,040/x
  3. Step 3: Cross multiply
    125,552x = 279,040 × 279,040
  4. Step 4: Simplify right side
    125,552x = 77,863,321,600
  5. Step 5: Solve for x
    x = 77,863,321,600/125,552
  6. Step 6: Final answer
    x = 620,167.91

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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.