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Finding the Third Proportional to 168,517 and 366,790

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Solution

The third proportional to 168,517 and 366,790 is: 798,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,517 : 366,790 = 366,790 : x
  2. Step 2: Convert to fraction form
    168,517/366,790 = 366,790/x
  3. Step 3: Cross multiply
    168,517x = 366,790 × 366,790
  4. Step 4: Simplify right side
    168,517x = 134,534,904,100
  5. Step 5: Solve for x
    x = 134,534,904,100/168,517
  6. Step 6: Final answer
    x = 798,346.19

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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.