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Finding the Third Proportional to 3,748.78 and 4,758.75

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Solution

The third proportional to 3,748.78 and 4,758.75 is: 6,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.78 : 4,758.75 = 4,758.75 : x
  2. Step 2: Convert to fraction form
    3,748.78/4,758.75 = 4,758.75/x
  3. Step 3: Cross multiply
    3,748.78x = 4,758.75 × 4,758.75
  4. Step 4: Simplify right side
    3,748.78x = 22,645,701.56
  5. Step 5: Solve for x
    x = 22,645,701.56/3,748.78
  6. Step 6: Final answer
    x = 6,040.82

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.