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Finding the Third Proportional to 6,754.50 and 8,538.75

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Solution

The third proportional to 6,754.50 and 8,538.75 is: 10,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.50 : 8,538.75 = 8,538.75 : x
  2. Step 2: Convert to fraction form
    6,754.50/8,538.75 = 8,538.75/x
  3. Step 3: Cross multiply
    6,754.50x = 8,538.75 × 8,538.75
  4. Step 4: Simplify right side
    6,754.50x = 72,910,251.56
  5. Step 5: Solve for x
    x = 72,910,251.56/6,754.50
  6. Step 6: Final answer
    x = 10,794.32

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.