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Finding the Third Proportional to 2,531 and 4,474

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Solution

The third proportional to 2,531 and 4,474 is: 7,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531 : 4,474 = 4,474 : x
  2. Step 2: Convert to fraction form
    2,531/4,474 = 4,474/x
  3. Step 3: Cross multiply
    2,531x = 4,474 × 4,474
  4. Step 4: Simplify right side
    2,531x = 20,016,676
  5. Step 5: Solve for x
    x = 20,016,676/2,531
  6. Step 6: Final answer
    x = 7,908.60

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.