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Finding the Third Proportional to 3,984.75 and 6,275.25

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Solution

The third proportional to 3,984.75 and 6,275.25 is: 9,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.75 : 6,275.25 = 6,275.25 : x
  2. Step 2: Convert to fraction form
    3,984.75/6,275.25 = 6,275.25/x
  3. Step 3: Cross multiply
    3,984.75x = 6,275.25 × 6,275.25
  4. Step 4: Simplify right side
    3,984.75x = 39,378,762.56
  5. Step 5: Solve for x
    x = 39,378,762.56/3,984.75
  6. Step 6: Final answer
    x = 9,882.37

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.