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Finding the Third Proportional to 6,245.25 and 8,313.75

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Solution

The third proportional to 6,245.25 and 8,313.75 is: 11,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.25 : 8,313.75 = 8,313.75 : x
  2. Step 2: Convert to fraction form
    6,245.25/8,313.75 = 8,313.75/x
  3. Step 3: Cross multiply
    6,245.25x = 8,313.75 × 8,313.75
  4. Step 4: Simplify right side
    6,245.25x = 69,118,439.06
  5. Step 5: Solve for x
    x = 69,118,439.06/6,245.25
  6. Step 6: Final answer
    x = 11,067.36

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.