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Finding the Third Proportional to 100,796 and 220,744

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Solution

The third proportional to 100,796 and 220,744 is: 483,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,796 : 220,744 = 220,744 : x
  2. Step 2: Convert to fraction form
    100,796/220,744 = 220,744/x
  3. Step 3: Cross multiply
    100,796x = 220,744 × 220,744
  4. Step 4: Simplify right side
    100,796x = 48,727,913,536
  5. Step 5: Solve for x
    x = 48,727,913,536/100,796
  6. Step 6: Final answer
    x = 483,431.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.