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Finding the Third Proportional to 170,211.38 and 366,676.88

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Solution

The third proportional to 170,211.38 and 366,676.88 is: 789,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,211.38 : 366,676.88 = 366,676.88 : x
  2. Step 2: Convert to fraction form
    170,211.38/366,676.88 = 366,676.88/x
  3. Step 3: Cross multiply
    170,211.38x = 366,676.88 × 366,676.88
  4. Step 4: Simplify right side
    170,211.38x = 134,451,930,659.77
  5. Step 5: Solve for x
    x = 134,451,930,659.77/170,211.38
  6. Step 6: Final answer
    x = 789,911.55

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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.