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Finding the Third Proportional to 3,680.44 and 5,609.25

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Solution

The third proportional to 3,680.44 and 5,609.25 is: 8,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.44 : 5,609.25 = 5,609.25 : x
  2. Step 2: Convert to fraction form
    3,680.44/5,609.25 = 5,609.25/x
  3. Step 3: Cross multiply
    3,680.44x = 5,609.25 × 5,609.25
  4. Step 4: Simplify right side
    3,680.44x = 31,463,685.56
  5. Step 5: Solve for x
    x = 31,463,685.56/3,680.44
  6. Step 6: Final answer
    x = 8,548.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.