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Finding the Third Proportional to 10,940.06 and 15,481.13

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Solution

The third proportional to 10,940.06 and 15,481.13 is: 21,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.06 : 15,481.13 = 15,481.13 : x
  2. Step 2: Convert to fraction form
    10,940.06/15,481.13 = 15,481.13/x
  3. Step 3: Cross multiply
    10,940.06x = 15,481.13 × 15,481.13
  4. Step 4: Simplify right side
    10,940.06x = 239,665,231.27
  5. Step 5: Solve for x
    x = 239,665,231.27/10,940.06
  6. Step 6: Final answer
    x = 21,907.12

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.