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Finding the Third Proportional to 39,624 and 82,050

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Solution

The third proportional to 39,624 and 82,050 is: 169,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,624 : 82,050 = 82,050 : x
  2. Step 2: Convert to fraction form
    39,624/82,050 = 82,050/x
  3. Step 3: Cross multiply
    39,624x = 82,050 × 82,050
  4. Step 4: Simplify right side
    39,624x = 6,732,202,500
  5. Step 5: Solve for x
    x = 6,732,202,500/39,624
  6. Step 6: Final answer
    x = 169,902.14

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.