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Finding the Third Proportional to 201.88 and 437.88

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Solution

The third proportional to 201.88 and 437.88 is: 949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.88 : 437.88 = 437.88 : x
  2. Step 2: Convert to fraction form
    201.88/437.88 = 437.88/x
  3. Step 3: Cross multiply
    201.88x = 437.88 × 437.88
  4. Step 4: Simplify right side
    201.88x = 191,734.52
  5. Step 5: Solve for x
    x = 191,734.52/201.88
  6. Step 6: Final answer
    x = 949.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.