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Finding the Third Proportional to 188.75 and 206

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Solution

The third proportional to 188.75 and 206 is: 224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.75 : 206 = 206 : x
  2. Step 2: Convert to fraction form
    188.75/206 = 206/x
  3. Step 3: Cross multiply
    188.75x = 206 × 206
  4. Step 4: Simplify right side
    188.75x = 42,436
  5. Step 5: Solve for x
    x = 42,436/188.75
  6. Step 6: Final answer
    x = 224.83

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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.