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Finding the Third Proportional to 84,554 and 126,567

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Solution

The third proportional to 84,554 and 126,567 is: 189,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,554 : 126,567 = 126,567 : x
  2. Step 2: Convert to fraction form
    84,554/126,567 = 126,567/x
  3. Step 3: Cross multiply
    84,554x = 126,567 × 126,567
  4. Step 4: Simplify right side
    84,554x = 16,019,205,489
  5. Step 5: Solve for x
    x = 16,019,205,489/84,554
  6. Step 6: Final answer
    x = 189,455.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.