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Finding the Third Proportional to 234.75 and 369.94

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Solution

The third proportional to 234.75 and 369.94 is: 582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.75 : 369.94 = 369.94 : x
  2. Step 2: Convert to fraction form
    234.75/369.94 = 369.94/x
  3. Step 3: Cross multiply
    234.75x = 369.94 × 369.94
  4. Step 4: Simplify right side
    234.75x = 136,853.75
  5. Step 5: Solve for x
    x = 136,853.75/234.75
  6. Step 6: Final answer
    x = 582.98

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.