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Finding the Third Proportional to 201.94 and 488.81

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Solution

The third proportional to 201.94 and 488.81 is: 1,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.94 : 488.81 = 488.81 : x
  2. Step 2: Convert to fraction form
    201.94/488.81 = 488.81/x
  3. Step 3: Cross multiply
    201.94x = 488.81 × 488.81
  4. Step 4: Simplify right side
    201.94x = 238,937.66
  5. Step 5: Solve for x
    x = 238,937.66/201.94
  6. Step 6: Final answer
    x = 1,183.23

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.