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Finding the Third Proportional to 5,572.86 and 8,161.38

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Solution

The third proportional to 5,572.86 and 8,161.38 is: 11,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.86 : 8,161.38 = 8,161.38 : x
  2. Step 2: Convert to fraction form
    5,572.86/8,161.38 = 8,161.38/x
  3. Step 3: Cross multiply
    5,572.86x = 8,161.38 × 8,161.38
  4. Step 4: Simplify right side
    5,572.86x = 66,608,169.41
  5. Step 5: Solve for x
    x = 66,608,169.41/5,572.86
  6. Step 6: Final answer
    x = 11,952.23

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.