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Finding the Third Proportional to 806.94 and 1,657.56

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Solution

The third proportional to 806.94 and 1,657.56 is: 3,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    806.94 : 1,657.56 = 1,657.56 : x
  2. Step 2: Convert to fraction form
    806.94/1,657.56 = 1,657.56/x
  3. Step 3: Cross multiply
    806.94x = 1,657.56 × 1,657.56
  4. Step 4: Simplify right side
    806.94x = 2,747,513.44
  5. Step 5: Solve for x
    x = 2,747,513.44/806.94
  6. Step 6: Final answer
    x = 3,404.87

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.