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Finding the Third Proportional to 11,638 and 25,448

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Solution

The third proportional to 11,638 and 25,448 is: 55,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638 : 25,448 = 25,448 : x
  2. Step 2: Convert to fraction form
    11,638/25,448 = 25,448/x
  3. Step 3: Cross multiply
    11,638x = 25,448 × 25,448
  4. Step 4: Simplify right side
    11,638x = 647,600,704
  5. Step 5: Solve for x
    x = 647,600,704/11,638
  6. Step 6: Final answer
    x = 55,645.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.