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Finding the Third Proportional to 7.43 and 12.00

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Solution

The third proportional to 7.43 and 12.00 is: 19.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.43 : 12.00 = 12.00 : x
  2. Step 2: Convert to fraction form
    7.43/12.00 = 12.00/x
  3. Step 3: Cross multiply
    7.43x = 12.00 × 12.00
  4. Step 4: Simplify right side
    7.43x = 143.97
  5. Step 5: Solve for x
    x = 143.97/7.43
  6. Step 6: Final answer
    x = 19.38

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.