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Finding the Third Proportional to 171,042 and 366,991

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Solution

The third proportional to 171,042 and 366,991 is: 787,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,042 : 366,991 = 366,991 : x
  2. Step 2: Convert to fraction form
    171,042/366,991 = 366,991/x
  3. Step 3: Cross multiply
    171,042x = 366,991 × 366,991
  4. Step 4: Simplify right side
    171,042x = 134,682,394,081
  5. Step 5: Solve for x
    x = 134,682,394,081/171,042
  6. Step 6: Final answer
    x = 787,422.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.