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Finding the Third Proportional to 166.22 and 203.06

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Solution

The third proportional to 166.22 and 203.06 is: 248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.22 : 203.06 = 203.06 : x
  2. Step 2: Convert to fraction form
    166.22/203.06 = 203.06/x
  3. Step 3: Cross multiply
    166.22x = 203.06 × 203.06
  4. Step 4: Simplify right side
    166.22x = 41,234.38
  5. Step 5: Solve for x
    x = 41,234.38/166.22
  6. Step 6: Final answer
    x = 248.07

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.