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Finding the Third Proportional to 3,195.38 and 6,988.75

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Solution

The third proportional to 3,195.38 and 6,988.75 is: 15,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.38 : 6,988.75 = 6,988.75 : x
  2. Step 2: Convert to fraction form
    3,195.38/6,988.75 = 6,988.75/x
  3. Step 3: Cross multiply
    3,195.38x = 6,988.75 × 6,988.75
  4. Step 4: Simplify right side
    3,195.38x = 48,842,626.56
  5. Step 5: Solve for x
    x = 48,842,626.56/3,195.38
  6. Step 6: Final answer
    x = 15,285.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.