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Finding the Third Proportional to 168,399 and 368,448.75

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Solution

The third proportional to 168,399 and 368,448.75 is: 806,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399 : 368,448.75 = 368,448.75 : x
  2. Step 2: Convert to fraction form
    168,399/368,448.75 = 368,448.75/x
  3. Step 3: Cross multiply
    168,399x = 368,448.75 × 368,448.75
  4. Step 4: Simplify right side
    168,399x = 135,754,481,376.56
  5. Step 5: Solve for x
    x = 135,754,481,376.56/168,399
  6. Step 6: Final answer
    x = 806,147.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.