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Finding the Third Proportional to 3,498 and 7,398

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Solution

The third proportional to 3,498 and 7,398 is: 15,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498 : 7,398 = 7,398 : x
  2. Step 2: Convert to fraction form
    3,498/7,398 = 7,398/x
  3. Step 3: Cross multiply
    3,498x = 7,398 × 7,398
  4. Step 4: Simplify right side
    3,498x = 54,730,404
  5. Step 5: Solve for x
    x = 54,730,404/3,498
  6. Step 6: Final answer
    x = 15,646.20

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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.