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Finding the Third Proportional to 122.06 and 183.38

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Solution

The third proportional to 122.06 and 183.38 is: 275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.06 : 183.38 = 183.38 : x
  2. Step 2: Convert to fraction form
    122.06/183.38 = 183.38/x
  3. Step 3: Cross multiply
    122.06x = 183.38 × 183.38
  4. Step 4: Simplify right side
    122.06x = 33,626.39
  5. Step 5: Solve for x
    x = 33,626.39/122.06
  6. Step 6: Final answer
    x = 275.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.