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Finding the Third Proportional to 9,448 and 20,561

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Solution

The third proportional to 9,448 and 20,561 is: 44,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448 : 20,561 = 20,561 : x
  2. Step 2: Convert to fraction form
    9,448/20,561 = 20,561/x
  3. Step 3: Cross multiply
    9,448x = 20,561 × 20,561
  4. Step 4: Simplify right side
    9,448x = 422,754,721
  5. Step 5: Solve for x
    x = 422,754,721/9,448
  6. Step 6: Final answer
    x = 44,745.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.