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Finding the Third Proportional to 4,062 and 9,387

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Solution

The third proportional to 4,062 and 9,387 is: 21,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062 : 9,387 = 9,387 : x
  2. Step 2: Convert to fraction form
    4,062/9,387 = 9,387/x
  3. Step 3: Cross multiply
    4,062x = 9,387 × 9,387
  4. Step 4: Simplify right side
    4,062x = 88,115,769
  5. Step 5: Solve for x
    x = 88,115,769/4,062
  6. Step 6: Final answer
    x = 21,692.71

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.