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Finding the Third Proportional to 41,438.25 and 90,467

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Solution

The third proportional to 41,438.25 and 90,467 is: 197,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,438.25 : 90,467 = 90,467 : x
  2. Step 2: Convert to fraction form
    41,438.25/90,467 = 90,467/x
  3. Step 3: Cross multiply
    41,438.25x = 90,467 × 90,467
  4. Step 4: Simplify right side
    41,438.25x = 8,184,278,089
  5. Step 5: Solve for x
    x = 8,184,278,089/41,438.25
  6. Step 6: Final answer
    x = 197,505.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.