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Finding the Third Proportional to 154,656 and 339,198

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Solution

The third proportional to 154,656 and 339,198 is: 743,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,656 : 339,198 = 339,198 : x
  2. Step 2: Convert to fraction form
    154,656/339,198 = 339,198/x
  3. Step 3: Cross multiply
    154,656x = 339,198 × 339,198
  4. Step 4: Simplify right side
    154,656x = 115,055,283,204
  5. Step 5: Solve for x
    x = 115,055,283,204/154,656
  6. Step 6: Final answer
    x = 743,943.22

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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.