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Finding the Third Proportional to 82,277 and 122,877

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Solution

The third proportional to 82,277 and 122,877 is: 183,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,277 : 122,877 = 122,877 : x
  2. Step 2: Convert to fraction form
    82,277/122,877 = 122,877/x
  3. Step 3: Cross multiply
    82,277x = 122,877 × 122,877
  4. Step 4: Simplify right side
    82,277x = 15,098,757,129
  5. Step 5: Solve for x
    x = 15,098,757,129/82,277
  6. Step 6: Final answer
    x = 183,511.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.