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Finding the Third Proportional to 4,002.75 and 4,709.25

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Solution

The third proportional to 4,002.75 and 4,709.25 is: 5,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.75 : 4,709.25 = 4,709.25 : x
  2. Step 2: Convert to fraction form
    4,002.75/4,709.25 = 4,709.25/x
  3. Step 3: Cross multiply
    4,002.75x = 4,709.25 × 4,709.25
  4. Step 4: Simplify right side
    4,002.75x = 22,177,035.56
  5. Step 5: Solve for x
    x = 22,177,035.56/4,002.75
  6. Step 6: Final answer
    x = 5,540.45

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.