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Finding the Third Proportional to 83,740.50 and 113,712.75

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Solution

The third proportional to 83,740.50 and 113,712.75 is: 154,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,740.50 : 113,712.75 = 113,712.75 : x
  2. Step 2: Convert to fraction form
    83,740.50/113,712.75 = 113,712.75/x
  3. Step 3: Cross multiply
    83,740.50x = 113,712.75 × 113,712.75
  4. Step 4: Simplify right side
    83,740.50x = 12,930,589,512.56
  5. Step 5: Solve for x
    x = 12,930,589,512.56/83,740.50
  6. Step 6: Final answer
    x = 154,412.61

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.