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Finding the Third Proportional to 274.22 and 744.19

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Solution

The third proportional to 274.22 and 744.19 is: 2,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.22 : 744.19 = 744.19 : x
  2. Step 2: Convert to fraction form
    274.22/744.19 = 744.19/x
  3. Step 3: Cross multiply
    274.22x = 744.19 × 744.19
  4. Step 4: Simplify right side
    274.22x = 553,815.04
  5. Step 5: Solve for x
    x = 553,815.04/274.22
  6. Step 6: Final answer
    x = 2,019.61

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.