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Finding the Third Proportional to 52,734 and 82,872

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Solution

The third proportional to 52,734 and 82,872 is: 130,234.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734 : 82,872 = 82,872 : x
  2. Step 2: Convert to fraction form
    52,734/82,872 = 82,872/x
  3. Step 3: Cross multiply
    52,734x = 82,872 × 82,872
  4. Step 4: Simplify right side
    52,734x = 6,867,768,384
  5. Step 5: Solve for x
    x = 6,867,768,384/52,734
  6. Step 6: Final answer
    x = 130,234.16

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.