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Finding the Third Proportional to 119,880 and 199,770.75

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Solution

The third proportional to 119,880 and 199,770.75 is: 332,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,880 : 199,770.75 = 199,770.75 : x
  2. Step 2: Convert to fraction form
    119,880/199,770.75 = 199,770.75/x
  3. Step 3: Cross multiply
    119,880x = 199,770.75 × 199,770.75
  4. Step 4: Simplify right side
    119,880x = 39,908,352,555.56
  5. Step 5: Solve for x
    x = 39,908,352,555.56/119,880
  6. Step 6: Final answer
    x = 332,902.51

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.