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Finding the Third Proportional to 3,778.88 and 4,938.75

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Solution

The third proportional to 3,778.88 and 4,938.75 is: 6,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.88 : 4,938.75 = 4,938.75 : x
  2. Step 2: Convert to fraction form
    3,778.88/4,938.75 = 4,938.75/x
  3. Step 3: Cross multiply
    3,778.88x = 4,938.75 × 4,938.75
  4. Step 4: Simplify right side
    3,778.88x = 24,391,251.56
  5. Step 5: Solve for x
    x = 24,391,251.56/3,778.88
  6. Step 6: Final answer
    x = 6,454.63

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.