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Finding the Third Proportional to 2,531 and 3,747

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Solution

The third proportional to 2,531 and 3,747 is: 5,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531 : 3,747 = 3,747 : x
  2. Step 2: Convert to fraction form
    2,531/3,747 = 3,747/x
  3. Step 3: Cross multiply
    2,531x = 3,747 × 3,747
  4. Step 4: Simplify right side
    2,531x = 14,040,009
  5. Step 5: Solve for x
    x = 14,040,009/2,531
  6. Step 6: Final answer
    x = 5,547.22

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.