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Finding the Third Proportional to 9,620 and 20,701

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Solution

The third proportional to 9,620 and 20,701 is: 44,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620 : 20,701 = 20,701 : x
  2. Step 2: Convert to fraction form
    9,620/20,701 = 20,701/x
  3. Step 3: Cross multiply
    9,620x = 20,701 × 20,701
  4. Step 4: Simplify right side
    9,620x = 428,531,401
  5. Step 5: Solve for x
    x = 428,531,401/9,620
  6. Step 6: Final answer
    x = 44,545.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.