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Finding the Third Proportional to 3,656.92 and 8,020.25

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Solution

The third proportional to 3,656.92 and 8,020.25 is: 17,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.92 : 8,020.25 = 8,020.25 : x
  2. Step 2: Convert to fraction form
    3,656.92/8,020.25 = 8,020.25/x
  3. Step 3: Cross multiply
    3,656.92x = 8,020.25 × 8,020.25
  4. Step 4: Simplify right side
    3,656.92x = 64,324,343.49
  5. Step 5: Solve for x
    x = 64,324,343.49/3,656.92
  6. Step 6: Final answer
    x = 17,589.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.