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Finding the Third Proportional to 93.97 and 221.41

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Solution

The third proportional to 93.97 and 221.41 is: 521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.97 : 221.41 = 221.41 : x
  2. Step 2: Convert to fraction form
    93.97/221.41 = 221.41/x
  3. Step 3: Cross multiply
    93.97x = 221.41 × 221.41
  4. Step 4: Simplify right side
    93.97x = 49,020.30
  5. Step 5: Solve for x
    x = 49,020.30/93.97
  6. Step 6: Final answer
    x = 521.64

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.