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Finding the Third Proportional to 9,436.50 and 20,757

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Solution

The third proportional to 9,436.50 and 20,757 is: 45,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.50 : 20,757 = 20,757 : x
  2. Step 2: Convert to fraction form
    9,436.50/20,757 = 20,757/x
  3. Step 3: Cross multiply
    9,436.50x = 20,757 × 20,757
  4. Step 4: Simplify right side
    9,436.50x = 430,853,049
  5. Step 5: Solve for x
    x = 430,853,049/9,436.50
  6. Step 6: Final answer
    x = 45,658.14

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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.