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Finding the Third Proportional to 201.94 and 434.25

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Solution

The third proportional to 201.94 and 434.25 is: 933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.94 : 434.25 = 434.25 : x
  2. Step 2: Convert to fraction form
    201.94/434.25 = 434.25/x
  3. Step 3: Cross multiply
    201.94x = 434.25 × 434.25
  4. Step 4: Simplify right side
    201.94x = 188,573.06
  5. Step 5: Solve for x
    x = 188,573.06/201.94
  6. Step 6: Final answer
    x = 933.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.