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Finding the Third Proportional to 412.75 and 932.75

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Solution

The third proportional to 412.75 and 932.75 is: 2,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.75 : 932.75 = 932.75 : x
  2. Step 2: Convert to fraction form
    412.75/932.75 = 932.75/x
  3. Step 3: Cross multiply
    412.75x = 932.75 × 932.75
  4. Step 4: Simplify right side
    412.75x = 870,022.56
  5. Step 5: Solve for x
    x = 870,022.56/412.75
  6. Step 6: Final answer
    x = 2,107.87

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.