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Finding the Third Proportional to 104 and 214.38

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Solution

The third proportional to 104 and 214.38 is: 441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104 : 214.38 = 214.38 : x
  2. Step 2: Convert to fraction form
    104/214.38 = 214.38/x
  3. Step 3: Cross multiply
    104x = 214.38 × 214.38
  4. Step 4: Simplify right side
    104x = 45,956.64
  5. Step 5: Solve for x
    x = 45,956.64/104
  6. Step 6: Final answer
    x = 441.89

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.