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Finding the Third Proportional to 80,940 and 122,537

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Solution

The third proportional to 80,940 and 122,537 is: 185,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,940 : 122,537 = 122,537 : x
  2. Step 2: Convert to fraction form
    80,940/122,537 = 122,537/x
  3. Step 3: Cross multiply
    80,940x = 122,537 × 122,537
  4. Step 4: Simplify right side
    80,940x = 15,015,316,369
  5. Step 5: Solve for x
    x = 15,015,316,369/80,940
  6. Step 6: Final answer
    x = 185,511.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.