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Finding the Third Proportional to 4,451 and 9,412

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Solution

The third proportional to 4,451 and 9,412 is: 19,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451 : 9,412 = 9,412 : x
  2. Step 2: Convert to fraction form
    4,451/9,412 = 9,412/x
  3. Step 3: Cross multiply
    4,451x = 9,412 × 9,412
  4. Step 4: Simplify right side
    4,451x = 88,585,744
  5. Step 5: Solve for x
    x = 88,585,744/4,451
  6. Step 6: Final answer
    x = 19,902.44

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.