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Finding the Third Proportional to 3,525.19 and 7,657.88

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Solution

The third proportional to 3,525.19 and 7,657.88 is: 16,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.19 : 7,657.88 = 7,657.88 : x
  2. Step 2: Convert to fraction form
    3,525.19/7,657.88 = 7,657.88/x
  3. Step 3: Cross multiply
    3,525.19x = 7,657.88 × 7,657.88
  4. Step 4: Simplify right side
    3,525.19x = 58,643,049.52
  5. Step 5: Solve for x
    x = 58,643,049.52/3,525.19
  6. Step 6: Final answer
    x = 16,635.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.