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Finding the Third Proportional to 83,145 and 126,793

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Solution

The third proportional to 83,145 and 126,793 is: 193,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,145 : 126,793 = 126,793 : x
  2. Step 2: Convert to fraction form
    83,145/126,793 = 126,793/x
  3. Step 3: Cross multiply
    83,145x = 126,793 × 126,793
  4. Step 4: Simplify right side
    83,145x = 16,076,464,849
  5. Step 5: Solve for x
    x = 16,076,464,849/83,145
  6. Step 6: Final answer
    x = 193,354.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.