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Finding the Third Proportional to 225.94 and 486.09

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Solution

The third proportional to 225.94 and 486.09 is: 1,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.94 : 486.09 = 486.09 : x
  2. Step 2: Convert to fraction form
    225.94/486.09 = 486.09/x
  3. Step 3: Cross multiply
    225.94x = 486.09 × 486.09
  4. Step 4: Simplify right side
    225.94x = 236,287.13
  5. Step 5: Solve for x
    x = 236,287.13/225.94
  6. Step 6: Final answer
    x = 1,045.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.