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Finding the Third Proportional to 3,040.50 and 4,080.75

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Solution

The third proportional to 3,040.50 and 4,080.75 is: 5,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.50 : 4,080.75 = 4,080.75 : x
  2. Step 2: Convert to fraction form
    3,040.50/4,080.75 = 4,080.75/x
  3. Step 3: Cross multiply
    3,040.50x = 4,080.75 × 4,080.75
  4. Step 4: Simplify right side
    3,040.50x = 16,652,520.56
  5. Step 5: Solve for x
    x = 16,652,520.56/3,040.50
  6. Step 6: Final answer
    x = 5,476.90

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.