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Finding the Third Proportional to 168,619 and 366,981

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Solution

The third proportional to 168,619 and 366,981 is: 798,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,619 : 366,981 = 366,981 : x
  2. Step 2: Convert to fraction form
    168,619/366,981 = 366,981/x
  3. Step 3: Cross multiply
    168,619x = 366,981 × 366,981
  4. Step 4: Simplify right side
    168,619x = 134,675,054,361
  5. Step 5: Solve for x
    x = 134,675,054,361/168,619
  6. Step 6: Final answer
    x = 798,694.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.