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Finding the Third Proportional to 3,255.75 and 7,657.88

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Solution

The third proportional to 3,255.75 and 7,657.88 is: 18,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.75 : 7,657.88 = 7,657.88 : x
  2. Step 2: Convert to fraction form
    3,255.75/7,657.88 = 7,657.88/x
  3. Step 3: Cross multiply
    3,255.75x = 7,657.88 × 7,657.88
  4. Step 4: Simplify right side
    3,255.75x = 58,643,049.52
  5. Step 5: Solve for x
    x = 58,643,049.52/3,255.75
  6. Step 6: Final answer
    x = 18,012.15

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.