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Finding the Third Proportional to 13,694 and 20,601

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Solution

The third proportional to 13,694 and 20,601 is: 30,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694 : 20,601 = 20,601 : x
  2. Step 2: Convert to fraction form
    13,694/20,601 = 20,601/x
  3. Step 3: Cross multiply
    13,694x = 20,601 × 20,601
  4. Step 4: Simplify right side
    13,694x = 424,401,201
  5. Step 5: Solve for x
    x = 424,401,201/13,694
  6. Step 6: Final answer
    x = 30,991.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.