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Finding the Third Proportional to 87,378.75 and 126,829.13

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Solution

The third proportional to 87,378.75 and 126,829.13 is: 184,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,378.75 : 126,829.13 = 126,829.13 : x
  2. Step 2: Convert to fraction form
    87,378.75/126,829.13 = 126,829.13/x
  3. Step 3: Cross multiply
    87,378.75x = 126,829.13 × 126,829.13
  4. Step 4: Simplify right side
    87,378.75x = 16,085,626,948.27
  5. Step 5: Solve for x
    x = 16,085,626,948.27/87,378.75
  6. Step 6: Final answer
    x = 184,090.83

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.