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Finding the Third Proportional to 92,146.50 and 129,849.75

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Solution

The third proportional to 92,146.50 and 129,849.75 is: 182,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,146.50 : 129,849.75 = 129,849.75 : x
  2. Step 2: Convert to fraction form
    92,146.50/129,849.75 = 129,849.75/x
  3. Step 3: Cross multiply
    92,146.50x = 129,849.75 × 129,849.75
  4. Step 4: Simplify right side
    92,146.50x = 16,860,957,575.06
  5. Step 5: Solve for x
    x = 16,860,957,575.06/92,146.50
  6. Step 6: Final answer
    x = 182,979.90

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.