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Finding the Third Proportional to 192,688.88 and 273,891.38

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Solution

The third proportional to 192,688.88 and 273,891.38 is: 389,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,688.88 : 273,891.38 = 273,891.38 : x
  2. Step 2: Convert to fraction form
    192,688.88/273,891.38 = 273,891.38/x
  3. Step 3: Cross multiply
    192,688.88x = 273,891.38 × 273,891.38
  4. Step 4: Simplify right side
    192,688.88x = 75,016,485,299.39
  5. Step 5: Solve for x
    x = 75,016,485,299.39/192,688.88
  6. Step 6: Final answer
    x = 389,314.04

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.