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Finding the Third Proportional to 37,892 and 81,816

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Solution

The third proportional to 37,892 and 81,816 is: 176,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,892 : 81,816 = 81,816 : x
  2. Step 2: Convert to fraction form
    37,892/81,816 = 81,816/x
  3. Step 3: Cross multiply
    37,892x = 81,816 × 81,816
  4. Step 4: Simplify right side
    37,892x = 6,693,857,856
  5. Step 5: Solve for x
    x = 6,693,857,856/37,892
  6. Step 6: Final answer
    x = 176,656.23

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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.