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Finding the Third Proportional to 173,879 and 370,722

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Solution

The third proportional to 173,879 and 370,722 is: 790,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879 : 370,722 = 370,722 : x
  2. Step 2: Convert to fraction form
    173,879/370,722 = 370,722/x
  3. Step 3: Cross multiply
    173,879x = 370,722 × 370,722
  4. Step 4: Simplify right side
    173,879x = 137,434,801,284
  5. Step 5: Solve for x
    x = 137,434,801,284/173,879
  6. Step 6: Final answer
    x = 790,404.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.