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Finding the Third Proportional to 143,818.03 and 222,891.75

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Solution

The third proportional to 143,818.03 and 222,891.75 is: 345,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,818.03 : 222,891.75 = 222,891.75 : x
  2. Step 2: Convert to fraction form
    143,818.03/222,891.75 = 222,891.75/x
  3. Step 3: Cross multiply
    143,818.03x = 222,891.75 × 222,891.75
  4. Step 4: Simplify right side
    143,818.03x = 49,680,732,218.06
  5. Step 5: Solve for x
    x = 49,680,732,218.06/143,818.03
  6. Step 6: Final answer
    x = 345,441.61

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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.