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Finding the Third Proportional to 2,515 and 3,751

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Solution

The third proportional to 2,515 and 3,751 is: 5,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515 : 3,751 = 3,751 : x
  2. Step 2: Convert to fraction form
    2,515/3,751 = 3,751/x
  3. Step 3: Cross multiply
    2,515x = 3,751 × 3,751
  4. Step 4: Simplify right side
    2,515x = 14,070,001
  5. Step 5: Solve for x
    x = 14,070,001/2,515
  6. Step 6: Final answer
    x = 5,594.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.