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Finding the Third Proportional to 7,494.75 and 8,340.75

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Solution

The third proportional to 7,494.75 and 8,340.75 is: 9,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.75 : 8,340.75 = 8,340.75 : x
  2. Step 2: Convert to fraction form
    7,494.75/8,340.75 = 8,340.75/x
  3. Step 3: Cross multiply
    7,494.75x = 8,340.75 × 8,340.75
  4. Step 4: Simplify right side
    7,494.75x = 69,568,110.56
  5. Step 5: Solve for x
    x = 69,568,110.56/7,494.75
  6. Step 6: Final answer
    x = 9,282.25

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.