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Finding the Third Proportional to 4,247.72 and 6,040.69

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Solution

The third proportional to 4,247.72 and 6,040.69 is: 8,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.72 : 6,040.69 = 6,040.69 : x
  2. Step 2: Convert to fraction form
    4,247.72/6,040.69 = 6,040.69/x
  3. Step 3: Cross multiply
    4,247.72x = 6,040.69 × 6,040.69
  4. Step 4: Simplify right side
    4,247.72x = 36,489,905.47
  5. Step 5: Solve for x
    x = 36,489,905.47/4,247.72
  6. Step 6: Final answer
    x = 8,590.47

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.