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Finding the Third Proportional to 5,517.75 and 11,172.75

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Solution

The third proportional to 5,517.75 and 11,172.75 is: 22,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.75 : 11,172.75 = 11,172.75 : x
  2. Step 2: Convert to fraction form
    5,517.75/11,172.75 = 11,172.75/x
  3. Step 3: Cross multiply
    5,517.75x = 11,172.75 × 11,172.75
  4. Step 4: Simplify right side
    5,517.75x = 124,830,342.56
  5. Step 5: Solve for x
    x = 124,830,342.56/5,517.75
  6. Step 6: Final answer
    x = 22,623.41

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.