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Finding the Third Proportional to 214.75 and 366

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Solution

The third proportional to 214.75 and 366 is: 623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.75 : 366 = 366 : x
  2. Step 2: Convert to fraction form
    214.75/366 = 366/x
  3. Step 3: Cross multiply
    214.75x = 366 × 366
  4. Step 4: Simplify right side
    214.75x = 133,956
  5. Step 5: Solve for x
    x = 133,956/214.75
  6. Step 6: Final answer
    x = 623.78

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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.