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Finding the Third Proportional to 135,718 and 194,757

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Solution

The third proportional to 135,718 and 194,757 is: 279,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718 : 194,757 = 194,757 : x
  2. Step 2: Convert to fraction form
    135,718/194,757 = 194,757/x
  3. Step 3: Cross multiply
    135,718x = 194,757 × 194,757
  4. Step 4: Simplify right side
    135,718x = 37,930,289,049
  5. Step 5: Solve for x
    x = 37,930,289,049/135,718
  6. Step 6: Final answer
    x = 279,478.69

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.