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Finding the Third Proportional to 144.13 and 223.75

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Solution

The third proportional to 144.13 and 223.75 is: 347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.13 : 223.75 = 223.75 : x
  2. Step 2: Convert to fraction form
    144.13/223.75 = 223.75/x
  3. Step 3: Cross multiply
    144.13x = 223.75 × 223.75
  4. Step 4: Simplify right side
    144.13x = 50,064.06
  5. Step 5: Solve for x
    x = 50,064.06/144.13
  6. Step 6: Final answer
    x = 347.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.