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Finding the Third Proportional to 87,898.50 and 124,458

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Solution

The third proportional to 87,898.50 and 124,458 is: 176,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,898.50 : 124,458 = 124,458 : x
  2. Step 2: Convert to fraction form
    87,898.50/124,458 = 124,458/x
  3. Step 3: Cross multiply
    87,898.50x = 124,458 × 124,458
  4. Step 4: Simplify right side
    87,898.50x = 15,489,793,764
  5. Step 5: Solve for x
    x = 15,489,793,764/87,898.50
  6. Step 6: Final answer
    x = 176,223.64

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.