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Finding the Third Proportional to 90,722.25 and 181,809

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Solution

The third proportional to 90,722.25 and 181,809 is: 364,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.25 : 181,809 = 181,809 : x
  2. Step 2: Convert to fraction form
    90,722.25/181,809 = 181,809/x
  3. Step 3: Cross multiply
    90,722.25x = 181,809 × 181,809
  4. Step 4: Simplify right side
    90,722.25x = 33,054,512,481
  5. Step 5: Solve for x
    x = 33,054,512,481/90,722.25
  6. Step 6: Final answer
    x = 364,348.46

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.