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Finding the Third Proportional to 5,399.16 and 11,605.78

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Solution

The third proportional to 5,399.16 and 11,605.78 is: 24,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.16 : 11,605.78 = 11,605.78 : x
  2. Step 2: Convert to fraction form
    5,399.16/11,605.78 = 11,605.78/x
  3. Step 3: Cross multiply
    5,399.16x = 11,605.78 × 11,605.78
  4. Step 4: Simplify right side
    5,399.16x = 134,694,158.42
  5. Step 5: Solve for x
    x = 134,694,158.42/5,399.16
  6. Step 6: Final answer
    x = 24,947.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.