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Finding the Third Proportional to 6,443 and 9,372

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Solution

The third proportional to 6,443 and 9,372 is: 13,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443 : 9,372 = 9,372 : x
  2. Step 2: Convert to fraction form
    6,443/9,372 = 9,372/x
  3. Step 3: Cross multiply
    6,443x = 9,372 × 9,372
  4. Step 4: Simplify right side
    6,443x = 87,834,384
  5. Step 5: Solve for x
    x = 87,834,384/6,443
  6. Step 6: Final answer
    x = 13,632.53

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.