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Finding the Third Proportional to 3,327.75 and 4,991.25

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Solution

The third proportional to 3,327.75 and 4,991.25 is: 7,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.75 : 4,991.25 = 4,991.25 : x
  2. Step 2: Convert to fraction form
    3,327.75/4,991.25 = 4,991.25/x
  3. Step 3: Cross multiply
    3,327.75x = 4,991.25 × 4,991.25
  4. Step 4: Simplify right side
    3,327.75x = 24,912,576.56
  5. Step 5: Solve for x
    x = 24,912,576.56/3,327.75
  6. Step 6: Final answer
    x = 7,486.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.