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Finding the Third Proportional to 80,223.75 and 124,723.13

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Solution

The third proportional to 80,223.75 and 124,723.13 is: 193,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.75 : 124,723.13 = 124,723.13 : x
  2. Step 2: Convert to fraction form
    80,223.75/124,723.13 = 124,723.13/x
  3. Step 3: Cross multiply
    80,223.75x = 124,723.13 × 124,723.13
  4. Step 4: Simplify right side
    80,223.75x = 15,555,857,909.77
  5. Step 5: Solve for x
    x = 15,555,857,909.77/80,223.75
  6. Step 6: Final answer
    x = 193,905.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.