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Finding the Third Proportional to 938.56 and 1,351.94

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Solution

The third proportional to 938.56 and 1,351.94 is: 1,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    938.56 : 1,351.94 = 1,351.94 : x
  2. Step 2: Convert to fraction form
    938.56/1,351.94 = 1,351.94/x
  3. Step 3: Cross multiply
    938.56x = 1,351.94 × 1,351.94
  4. Step 4: Simplify right side
    938.56x = 1,827,735.00
  5. Step 5: Solve for x
    x = 1,827,735.00/938.56
  6. Step 6: Final answer
    x = 1,947.38

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.