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Finding the Third Proportional to 937.78 and 1,399.03

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Solution

The third proportional to 937.78 and 1,399.03 is: 2,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.78 : 1,399.03 = 1,399.03 : x
  2. Step 2: Convert to fraction form
    937.78/1,399.03 = 1,399.03/x
  3. Step 3: Cross multiply
    937.78x = 1,399.03 × 1,399.03
  4. Step 4: Simplify right side
    937.78x = 1,957,288.44
  5. Step 5: Solve for x
    x = 1,957,288.44/937.78
  6. Step 6: Final answer
    x = 2,087.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.