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Finding the Third Proportional to 284.44 and 365.91

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Solution

The third proportional to 284.44 and 365.91 is: 470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.44 : 365.91 = 365.91 : x
  2. Step 2: Convert to fraction form
    284.44/365.91 = 365.91/x
  3. Step 3: Cross multiply
    284.44x = 365.91 × 365.91
  4. Step 4: Simplify right side
    284.44x = 133,887.38
  5. Step 5: Solve for x
    x = 133,887.38/284.44
  6. Step 6: Final answer
    x = 470.71

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.