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Finding the Third Proportional to 36,892 and 81,272

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Solution

The third proportional to 36,892 and 81,272 is: 179,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892 : 81,272 = 81,272 : x
  2. Step 2: Convert to fraction form
    36,892/81,272 = 81,272/x
  3. Step 3: Cross multiply
    36,892x = 81,272 × 81,272
  4. Step 4: Simplify right side
    36,892x = 6,605,137,984
  5. Step 5: Solve for x
    x = 6,605,137,984/36,892
  6. Step 6: Final answer
    x = 179,039.85

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.