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Finding the Third Proportional to 38,162 and 81,967

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Solution

The third proportional to 38,162 and 81,967 is: 176,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162 : 81,967 = 81,967 : x
  2. Step 2: Convert to fraction form
    38,162/81,967 = 81,967/x
  3. Step 3: Cross multiply
    38,162x = 81,967 × 81,967
  4. Step 4: Simplify right side
    38,162x = 6,718,589,089
  5. Step 5: Solve for x
    x = 6,718,589,089/38,162
  6. Step 6: Final answer
    x = 176,054.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.