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Finding the Third Proportional to 4,518 and 5,757.75

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Solution

The third proportional to 4,518 and 5,757.75 is: 7,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518 : 5,757.75 = 5,757.75 : x
  2. Step 2: Convert to fraction form
    4,518/5,757.75 = 5,757.75/x
  3. Step 3: Cross multiply
    4,518x = 5,757.75 × 5,757.75
  4. Step 4: Simplify right side
    4,518x = 33,151,685.06
  5. Step 5: Solve for x
    x = 33,151,685.06/4,518
  6. Step 6: Final answer
    x = 7,337.69

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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.