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Finding the Third Proportional to 194 and 379

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Solution

The third proportional to 194 and 379 is: 740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194 : 379 = 379 : x
  2. Step 2: Convert to fraction form
    194/379 = 379/x
  3. Step 3: Cross multiply
    194x = 379 × 379
  4. Step 4: Simplify right side
    194x = 143,641
  5. Step 5: Solve for x
    x = 143,641/194
  6. Step 6: Final answer
    x = 740.42

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.