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Finding the Third Proportional to 81,704 and 176,976

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Solution

The third proportional to 81,704 and 176,976 is: 383,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,704 : 176,976 = 176,976 : x
  2. Step 2: Convert to fraction form
    81,704/176,976 = 176,976/x
  3. Step 3: Cross multiply
    81,704x = 176,976 × 176,976
  4. Step 4: Simplify right side
    81,704x = 31,320,504,576
  5. Step 5: Solve for x
    x = 31,320,504,576/81,704
  6. Step 6: Final answer
    x = 383,341.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.