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Finding the Third Proportional to 351,198 and 769,293

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Solution

The third proportional to 351,198 and 769,293 is: 1,685,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,198 : 769,293 = 769,293 : x
  2. Step 2: Convert to fraction form
    351,198/769,293 = 769,293/x
  3. Step 3: Cross multiply
    351,198x = 769,293 × 769,293
  4. Step 4: Simplify right side
    351,198x = 591,811,719,849
  5. Step 5: Solve for x
    x = 591,811,719,849/351,198
  6. Step 6: Final answer
    x = 1,685,122.69

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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.