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Finding the Third Proportional to 2,874 and 6,288

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Solution

The third proportional to 2,874 and 6,288 is: 13,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874 : 6,288 = 6,288 : x
  2. Step 2: Convert to fraction form
    2,874/6,288 = 6,288/x
  3. Step 3: Cross multiply
    2,874x = 6,288 × 6,288
  4. Step 4: Simplify right side
    2,874x = 39,538,944
  5. Step 5: Solve for x
    x = 39,538,944/2,874
  6. Step 6: Final answer
    x = 13,757.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.