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Finding the Third Proportional to 338.06 and 727.38

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Solution

The third proportional to 338.06 and 727.38 is: 1,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.06 : 727.38 = 727.38 : x
  2. Step 2: Convert to fraction form
    338.06/727.38 = 727.38/x
  3. Step 3: Cross multiply
    338.06x = 727.38 × 727.38
  4. Step 4: Simplify right side
    338.06x = 529,074.39
  5. Step 5: Solve for x
    x = 529,074.39/338.06
  6. Step 6: Final answer
    x = 1,565.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.