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Finding the Third Proportional to 39,519 and 85,599

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Solution

The third proportional to 39,519 and 85,599 is: 185,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,519 : 85,599 = 85,599 : x
  2. Step 2: Convert to fraction form
    39,519/85,599 = 85,599/x
  3. Step 3: Cross multiply
    39,519x = 85,599 × 85,599
  4. Step 4: Simplify right side
    39,519x = 7,327,188,801
  5. Step 5: Solve for x
    x = 7,327,188,801/39,519
  6. Step 6: Final answer
    x = 185,409.27

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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.