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Finding the Third Proportional to 70,139 and 101,523

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Solution

The third proportional to 70,139 and 101,523 is: 146,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,139 : 101,523 = 101,523 : x
  2. Step 2: Convert to fraction form
    70,139/101,523 = 101,523/x
  3. Step 3: Cross multiply
    70,139x = 101,523 × 101,523
  4. Step 4: Simplify right side
    70,139x = 10,306,919,529
  5. Step 5: Solve for x
    x = 10,306,919,529/70,139
  6. Step 6: Final answer
    x = 146,949.91

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.