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Finding the Third Proportional to 41,840 and 91,972

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Solution

The third proportional to 41,840 and 91,972 is: 202,171.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,840 : 91,972 = 91,972 : x
  2. Step 2: Convert to fraction form
    41,840/91,972 = 91,972/x
  3. Step 3: Cross multiply
    41,840x = 91,972 × 91,972
  4. Step 4: Simplify right side
    41,840x = 8,458,848,784
  5. Step 5: Solve for x
    x = 8,458,848,784/41,840
  6. Step 6: Final answer
    x = 202,171.34

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.