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Finding the Third Proportional to 4,195.69 and 8,736.19

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Solution

The third proportional to 4,195.69 and 8,736.19 is: 18,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.69 : 8,736.19 = 8,736.19 : x
  2. Step 2: Convert to fraction form
    4,195.69/8,736.19 = 8,736.19/x
  3. Step 3: Cross multiply
    4,195.69x = 8,736.19 × 8,736.19
  4. Step 4: Simplify right side
    4,195.69x = 76,320,972.04
  5. Step 5: Solve for x
    x = 76,320,972.04/4,195.69
  6. Step 6: Final answer
    x = 18,190.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.