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Finding the Third Proportional to 4,407.75 and 7,237.13

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Solution

The third proportional to 4,407.75 and 7,237.13 is: 11,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.75 : 7,237.13 = 7,237.13 : x
  2. Step 2: Convert to fraction form
    4,407.75/7,237.13 = 7,237.13/x
  3. Step 3: Cross multiply
    4,407.75x = 7,237.13 × 7,237.13
  4. Step 4: Simplify right side
    4,407.75x = 52,375,978.27
  5. Step 5: Solve for x
    x = 52,375,978.27/4,407.75
  6. Step 6: Final answer
    x = 11,882.70

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.