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Finding the Third Proportional to 103.94 and 227.81

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Solution

The third proportional to 103.94 and 227.81 is: 499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.94 : 227.81 = 227.81 : x
  2. Step 2: Convert to fraction form
    103.94/227.81 = 227.81/x
  3. Step 3: Cross multiply
    103.94x = 227.81 × 227.81
  4. Step 4: Simplify right side
    103.94x = 51,898.54
  5. Step 5: Solve for x
    x = 51,898.54/103.94
  6. Step 6: Final answer
    x = 499.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.