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Finding the Third Proportional to 201.87 and 437.27

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Solution

The third proportional to 201.87 and 437.27 is: 947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.87 : 437.27 = 437.27 : x
  2. Step 2: Convert to fraction form
    201.87/437.27 = 437.27/x
  3. Step 3: Cross multiply
    201.87x = 437.27 × 437.27
  4. Step 4: Simplify right side
    201.87x = 191,208.06
  5. Step 5: Solve for x
    x = 191,208.06/201.87
  6. Step 6: Final answer
    x = 947.20

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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.