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Finding the Third Proportional to 9,198.75 and 19,470.75

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Solution

The third proportional to 9,198.75 and 19,470.75 is: 41,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.75 : 19,470.75 = 19,470.75 : x
  2. Step 2: Convert to fraction form
    9,198.75/19,470.75 = 19,470.75/x
  3. Step 3: Cross multiply
    9,198.75x = 19,470.75 × 19,470.75
  4. Step 4: Simplify right side
    9,198.75x = 379,110,105.56
  5. Step 5: Solve for x
    x = 379,110,105.56/9,198.75
  6. Step 6: Final answer
    x = 41,213.22

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.