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Finding the Third Proportional to 98,769 and 218,895

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Solution

The third proportional to 98,769 and 218,895 is: 485,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,769 : 218,895 = 218,895 : x
  2. Step 2: Convert to fraction form
    98,769/218,895 = 218,895/x
  3. Step 3: Cross multiply
    98,769x = 218,895 × 218,895
  4. Step 4: Simplify right side
    98,769x = 47,915,021,025
  5. Step 5: Solve for x
    x = 47,915,021,025/98,769
  6. Step 6: Final answer
    x = 485,122.06

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.