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Finding the Third Proportional to 5,439 and 11,802

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Solution

The third proportional to 5,439 and 11,802 is: 25,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439 : 11,802 = 11,802 : x
  2. Step 2: Convert to fraction form
    5,439/11,802 = 11,802/x
  3. Step 3: Cross multiply
    5,439x = 11,802 × 11,802
  4. Step 4: Simplify right side
    5,439x = 139,287,204
  5. Step 5: Solve for x
    x = 139,287,204/5,439
  6. Step 6: Final answer
    x = 25,608.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.