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Finding the Third Proportional to 4,453 and 9,782

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Solution

The third proportional to 4,453 and 9,782 is: 21,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453 : 9,782 = 9,782 : x
  2. Step 2: Convert to fraction form
    4,453/9,782 = 9,782/x
  3. Step 3: Cross multiply
    4,453x = 9,782 × 9,782
  4. Step 4: Simplify right side
    4,453x = 95,687,524
  5. Step 5: Solve for x
    x = 95,687,524/4,453
  6. Step 6: Final answer
    x = 21,488.33

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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.