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Finding the Third Proportional to 117.75 and 226.88

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Solution

The third proportional to 117.75 and 226.88 is: 437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.75 : 226.88 = 226.88 : x
  2. Step 2: Convert to fraction form
    117.75/226.88 = 226.88/x
  3. Step 3: Cross multiply
    117.75x = 226.88 × 226.88
  4. Step 4: Simplify right side
    117.75x = 51,472.27
  5. Step 5: Solve for x
    x = 51,472.27/117.75
  6. Step 6: Final answer
    x = 437.13

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.