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Finding the Third Proportional to 82,881 and 177,396

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Solution

The third proportional to 82,881 and 177,396 is: 379,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881 : 177,396 = 177,396 : x
  2. Step 2: Convert to fraction form
    82,881/177,396 = 177,396/x
  3. Step 3: Cross multiply
    82,881x = 177,396 × 177,396
  4. Step 4: Simplify right side
    82,881x = 31,469,340,816
  5. Step 5: Solve for x
    x = 31,469,340,816/82,881
  6. Step 6: Final answer
    x = 379,693.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.