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Finding the Third Proportional to 194,805 and 349,839

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Solution

The third proportional to 194,805 and 349,839 is: 628,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,805 : 349,839 = 349,839 : x
  2. Step 2: Convert to fraction form
    194,805/349,839 = 349,839/x
  3. Step 3: Cross multiply
    194,805x = 349,839 × 349,839
  4. Step 4: Simplify right side
    194,805x = 122,387,325,921
  5. Step 5: Solve for x
    x = 122,387,325,921/194,805
  6. Step 6: Final answer
    x = 628,255.57

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.