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Finding the Third Proportional to 3,651.75 and 4,750.50

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Solution

The third proportional to 3,651.75 and 4,750.50 is: 6,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.75 : 4,750.50 = 4,750.50 : x
  2. Step 2: Convert to fraction form
    3,651.75/4,750.50 = 4,750.50/x
  3. Step 3: Cross multiply
    3,651.75x = 4,750.50 × 4,750.50
  4. Step 4: Simplify right side
    3,651.75x = 22,567,250.25
  5. Step 5: Solve for x
    x = 22,567,250.25/3,651.75
  6. Step 6: Final answer
    x = 6,179.85

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.