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Finding the Third Proportional to 2,747.63 and 4,257.75

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Solution

The third proportional to 2,747.63 and 4,257.75 is: 6,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.63 : 4,257.75 = 4,257.75 : x
  2. Step 2: Convert to fraction form
    2,747.63/4,257.75 = 4,257.75/x
  3. Step 3: Cross multiply
    2,747.63x = 4,257.75 × 4,257.75
  4. Step 4: Simplify right side
    2,747.63x = 18,128,435.06
  5. Step 5: Solve for x
    x = 18,128,435.06/2,747.63
  6. Step 6: Final answer
    x = 6,597.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.