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Finding the Third Proportional to 11,992 and 18,234

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Solution

The third proportional to 11,992 and 18,234 is: 27,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992 : 18,234 = 18,234 : x
  2. Step 2: Convert to fraction form
    11,992/18,234 = 18,234/x
  3. Step 3: Cross multiply
    11,992x = 18,234 × 18,234
  4. Step 4: Simplify right side
    11,992x = 332,478,756
  5. Step 5: Solve for x
    x = 332,478,756/11,992
  6. Step 6: Final answer
    x = 27,725.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.