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Finding the Third Proportional to 16,676 and 36,118

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Solution

The third proportional to 16,676 and 36,118 is: 78,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676 : 36,118 = 36,118 : x
  2. Step 2: Convert to fraction form
    16,676/36,118 = 36,118/x
  3. Step 3: Cross multiply
    16,676x = 36,118 × 36,118
  4. Step 4: Simplify right side
    16,676x = 1,304,509,924
  5. Step 5: Solve for x
    x = 1,304,509,924/16,676
  6. Step 6: Final answer
    x = 78,226.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.