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Finding the Third Proportional to 5,517.56 and 11,955.94

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Solution

The third proportional to 5,517.56 and 11,955.94 is: 25,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.56 : 11,955.94 = 11,955.94 : x
  2. Step 2: Convert to fraction form
    5,517.56/11,955.94 = 11,955.94/x
  3. Step 3: Cross multiply
    5,517.56x = 11,955.94 × 11,955.94
  4. Step 4: Simplify right side
    5,517.56x = 142,944,441.50
  5. Step 5: Solve for x
    x = 142,944,441.50/5,517.56
  6. Step 6: Final answer
    x = 25,907.17

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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.