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Finding the Third Proportional to 9,401 and 20,661

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Solution

The third proportional to 9,401 and 20,661 is: 45,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401 : 20,661 = 20,661 : x
  2. Step 2: Convert to fraction form
    9,401/20,661 = 20,661/x
  3. Step 3: Cross multiply
    9,401x = 20,661 × 20,661
  4. Step 4: Simplify right side
    9,401x = 426,876,921
  5. Step 5: Solve for x
    x = 426,876,921/9,401
  6. Step 6: Final answer
    x = 45,407.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.