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Finding the Third Proportional to 226.13 and 543.80

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Solution

The third proportional to 226.13 and 543.80 is: 1,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.13 : 543.80 = 543.80 : x
  2. Step 2: Convert to fraction form
    226.13/543.80 = 543.80/x
  3. Step 3: Cross multiply
    226.13x = 543.80 × 543.80
  4. Step 4: Simplify right side
    226.13x = 295,715.04
  5. Step 5: Solve for x
    x = 295,715.04/226.13
  6. Step 6: Final answer
    x = 1,307.75

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.