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Finding the Third Proportional to 5,219.44 and 11,257.31

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Solution

The third proportional to 5,219.44 and 11,257.31 is: 24,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.44 : 11,257.31 = 11,257.31 : x
  2. Step 2: Convert to fraction form
    5,219.44/11,257.31 = 11,257.31/x
  3. Step 3: Cross multiply
    5,219.44x = 11,257.31 × 11,257.31
  4. Step 4: Simplify right side
    5,219.44x = 126,727,084.72
  5. Step 5: Solve for x
    x = 126,727,084.72/5,219.44
  6. Step 6: Final answer
    x = 24,279.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.