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Finding the Third Proportional to 269.06 and 363.06

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Solution

The third proportional to 269.06 and 363.06 is: 489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.06 : 363.06 = 363.06 : x
  2. Step 2: Convert to fraction form
    269.06/363.06 = 363.06/x
  3. Step 3: Cross multiply
    269.06x = 363.06 × 363.06
  4. Step 4: Simplify right side
    269.06x = 131,814.38
  5. Step 5: Solve for x
    x = 131,814.38/269.06
  6. Step 6: Final answer
    x = 489.90

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.