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Finding the Third Proportional to 206.38 and 301.75

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Solution

The third proportional to 206.38 and 301.75 is: 441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.38 : 301.75 = 301.75 : x
  2. Step 2: Convert to fraction form
    206.38/301.75 = 301.75/x
  3. Step 3: Cross multiply
    206.38x = 301.75 × 301.75
  4. Step 4: Simplify right side
    206.38x = 91,053.06
  5. Step 5: Solve for x
    x = 91,053.06/206.38
  6. Step 6: Final answer
    x = 441.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.