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Finding the Third Proportional to 82,122 and 177,062

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Solution

The third proportional to 82,122 and 177,062 is: 381,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,122 : 177,062 = 177,062 : x
  2. Step 2: Convert to fraction form
    82,122/177,062 = 177,062/x
  3. Step 3: Cross multiply
    82,122x = 177,062 × 177,062
  4. Step 4: Simplify right side
    82,122x = 31,350,951,844
  5. Step 5: Solve for x
    x = 31,350,951,844/82,122
  6. Step 6: Final answer
    x = 381,760.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.