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Finding the Third Proportional to 8,286.75 and 19,131.75

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Solution

The third proportional to 8,286.75 and 19,131.75 is: 44,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.75 : 19,131.75 = 19,131.75 : x
  2. Step 2: Convert to fraction form
    8,286.75/19,131.75 = 19,131.75/x
  3. Step 3: Cross multiply
    8,286.75x = 19,131.75 × 19,131.75
  4. Step 4: Simplify right side
    8,286.75x = 366,023,858.06
  5. Step 5: Solve for x
    x = 366,023,858.06/8,286.75
  6. Step 6: Final answer
    x = 44,169.77

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.