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Finding the Third Proportional to 11,331 and 20,799

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Solution

The third proportional to 11,331 and 20,799 is: 38,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331 : 20,799 = 20,799 : x
  2. Step 2: Convert to fraction form
    11,331/20,799 = 20,799/x
  3. Step 3: Cross multiply
    11,331x = 20,799 × 20,799
  4. Step 4: Simplify right side
    11,331x = 432,598,401
  5. Step 5: Solve for x
    x = 432,598,401/11,331
  6. Step 6: Final answer
    x = 38,178.31

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.