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Finding the Third Proportional to 43,393 and 90,241

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Solution

The third proportional to 43,393 and 90,241 is: 187,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,393 : 90,241 = 90,241 : x
  2. Step 2: Convert to fraction form
    43,393/90,241 = 90,241/x
  3. Step 3: Cross multiply
    43,393x = 90,241 × 90,241
  4. Step 4: Simplify right side
    43,393x = 8,143,438,081
  5. Step 5: Solve for x
    x = 8,143,438,081/43,393
  6. Step 6: Final answer
    x = 187,667.09

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.