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Finding the Third Proportional to 109.44 and 223.94

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Solution

The third proportional to 109.44 and 223.94 is: 458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.44 : 223.94 = 223.94 : x
  2. Step 2: Convert to fraction form
    109.44/223.94 = 223.94/x
  3. Step 3: Cross multiply
    109.44x = 223.94 × 223.94
  4. Step 4: Simplify right side
    109.44x = 50,148.00
  5. Step 5: Solve for x
    x = 50,148.00/109.44
  6. Step 6: Final answer
    x = 458.23

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.