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Finding the Third Proportional to 2,732.48 and 4,179.09

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Solution

The third proportional to 2,732.48 and 4,179.09 is: 6,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.48 : 4,179.09 = 4,179.09 : x
  2. Step 2: Convert to fraction form
    2,732.48/4,179.09 = 4,179.09/x
  3. Step 3: Cross multiply
    2,732.48x = 4,179.09 × 4,179.09
  4. Step 4: Simplify right side
    2,732.48x = 17,464,824.57
  5. Step 5: Solve for x
    x = 17,464,824.57/2,732.48
  6. Step 6: Final answer
    x = 6,391.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.