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Finding the Third Proportional to 3,960.14 and 8,187.96

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Solution

The third proportional to 3,960.14 and 8,187.96 is: 16,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.14 : 8,187.96 = 8,187.96 : x
  2. Step 2: Convert to fraction form
    3,960.14/8,187.96 = 8,187.96/x
  3. Step 3: Cross multiply
    3,960.14x = 8,187.96 × 8,187.96
  4. Step 4: Simplify right side
    3,960.14x = 67,042,704.31
  5. Step 5: Solve for x
    x = 67,042,704.31/3,960.14
  6. Step 6: Final answer
    x = 16,929.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.