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Finding the Third Proportional to 818.06 and 1,661.44

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Solution

The third proportional to 818.06 and 1,661.44 is: 3,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    818.06 : 1,661.44 = 1,661.44 : x
  2. Step 2: Convert to fraction form
    818.06/1,661.44 = 1,661.44/x
  3. Step 3: Cross multiply
    818.06x = 1,661.44 × 1,661.44
  4. Step 4: Simplify right side
    818.06x = 2,760,374.57
  5. Step 5: Solve for x
    x = 2,760,374.57/818.06
  6. Step 6: Final answer
    x = 3,374.28

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.