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Finding the Third Proportional to 90,069 and 195,993

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Solution

The third proportional to 90,069 and 195,993 is: 426,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,069 : 195,993 = 195,993 : x
  2. Step 2: Convert to fraction form
    90,069/195,993 = 195,993/x
  3. Step 3: Cross multiply
    90,069x = 195,993 × 195,993
  4. Step 4: Simplify right side
    90,069x = 38,413,256,049
  5. Step 5: Solve for x
    x = 38,413,256,049/90,069
  6. Step 6: Final answer
    x = 426,486.98

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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.