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Finding the Third Proportional to 269.44 and 445.50

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Solution

The third proportional to 269.44 and 445.50 is: 736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.44 : 445.50 = 445.50 : x
  2. Step 2: Convert to fraction form
    269.44/445.50 = 445.50/x
  3. Step 3: Cross multiply
    269.44x = 445.50 × 445.50
  4. Step 4: Simplify right side
    269.44x = 198,470.25
  5. Step 5: Solve for x
    x = 198,470.25/269.44
  6. Step 6: Final answer
    x = 736.61

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.