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Finding the Third Proportional to 5,516.44 and 11,351.81

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Solution

The third proportional to 5,516.44 and 11,351.81 is: 23,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.44 : 11,351.81 = 11,351.81 : x
  2. Step 2: Convert to fraction form
    5,516.44/11,351.81 = 11,351.81/x
  3. Step 3: Cross multiply
    5,516.44x = 11,351.81 × 11,351.81
  4. Step 4: Simplify right side
    5,516.44x = 128,863,647.04
  5. Step 5: Solve for x
    x = 128,863,647.04/5,516.44
  6. Step 6: Final answer
    x = 23,359.94

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.