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Finding the Third Proportional to 3,491 and 4,425

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Solution

The third proportional to 3,491 and 4,425 is: 5,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491 : 4,425 = 4,425 : x
  2. Step 2: Convert to fraction form
    3,491/4,425 = 4,425/x
  3. Step 3: Cross multiply
    3,491x = 4,425 × 4,425
  4. Step 4: Simplify right side
    3,491x = 19,580,625
  5. Step 5: Solve for x
    x = 19,580,625/3,491
  6. Step 6: Final answer
    x = 5,608.89

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.