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Finding the Third Proportional to 194.06 and 258.75

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Solution

The third proportional to 194.06 and 258.75 is: 345

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.06 : 258.75 = 258.75 : x
  2. Step 2: Convert to fraction form
    194.06/258.75 = 258.75/x
  3. Step 3: Cross multiply
    194.06x = 258.75 × 258.75
  4. Step 4: Simplify right side
    194.06x = 66,951.56
  5. Step 5: Solve for x
    x = 66,951.56/194.06
  6. Step 6: Final answer
    x = 345

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.