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Finding the Third Proportional to 38,812 and 82,708

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Solution

The third proportional to 38,812 and 82,708 is: 176,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,812 : 82,708 = 82,708 : x
  2. Step 2: Convert to fraction form
    38,812/82,708 = 82,708/x
  3. Step 3: Cross multiply
    38,812x = 82,708 × 82,708
  4. Step 4: Simplify right side
    38,812x = 6,840,613,264
  5. Step 5: Solve for x
    x = 6,840,613,264/38,812
  6. Step 6: Final answer
    x = 176,249.96

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.