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Finding the Third Proportional to 18,166 and 27,775

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Solution

The third proportional to 18,166 and 27,775 is: 42,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166 : 27,775 = 27,775 : x
  2. Step 2: Convert to fraction form
    18,166/27,775 = 27,775/x
  3. Step 3: Cross multiply
    18,166x = 27,775 × 27,775
  4. Step 4: Simplify right side
    18,166x = 771,450,625
  5. Step 5: Solve for x
    x = 771,450,625/18,166
  6. Step 6: Final answer
    x = 42,466.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.