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Finding the Third Proportional to 169,960 and 269,938

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Solution

The third proportional to 169,960 and 269,938 is: 428,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,960 : 269,938 = 269,938 : x
  2. Step 2: Convert to fraction form
    169,960/269,938 = 269,938/x
  3. Step 3: Cross multiply
    169,960x = 269,938 × 269,938
  4. Step 4: Simplify right side
    169,960x = 72,866,523,844
  5. Step 5: Solve for x
    x = 72,866,523,844/169,960
  6. Step 6: Final answer
    x = 428,727.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.