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Finding the Third Proportional to 5,330.25 and 8,250.75

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Solution

The third proportional to 5,330.25 and 8,250.75 is: 12,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.25 : 8,250.75 = 8,250.75 : x
  2. Step 2: Convert to fraction form
    5,330.25/8,250.75 = 8,250.75/x
  3. Step 3: Cross multiply
    5,330.25x = 8,250.75 × 8,250.75
  4. Step 4: Simplify right side
    5,330.25x = 68,074,875.56
  5. Step 5: Solve for x
    x = 68,074,875.56/5,330.25
  6. Step 6: Final answer
    x = 12,771.42

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.