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Finding the Third Proportional to 195.19 and 379.13

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Solution

The third proportional to 195.19 and 379.13 is: 736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.19 : 379.13 = 379.13 : x
  2. Step 2: Convert to fraction form
    195.19/379.13 = 379.13/x
  3. Step 3: Cross multiply
    195.19x = 379.13 × 379.13
  4. Step 4: Simplify right side
    195.19x = 143,735.77
  5. Step 5: Solve for x
    x = 143,735.77/195.19
  6. Step 6: Final answer
    x = 736.40

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.