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Finding the Third Proportional to 107.75 and 223.19

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Solution

The third proportional to 107.75 and 223.19 is: 462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.75 : 223.19 = 223.19 : x
  2. Step 2: Convert to fraction form
    107.75/223.19 = 223.19/x
  3. Step 3: Cross multiply
    107.75x = 223.19 × 223.19
  4. Step 4: Simplify right side
    107.75x = 49,812.66
  5. Step 5: Solve for x
    x = 49,812.66/107.75
  6. Step 6: Final answer
    x = 462.30

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.