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Finding the Third Proportional to 151.03 and 326.74

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Solution

The third proportional to 151.03 and 326.74 is: 706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.03 : 326.74 = 326.74 : x
  2. Step 2: Convert to fraction form
    151.03/326.74 = 326.74/x
  3. Step 3: Cross multiply
    151.03x = 326.74 × 326.74
  4. Step 4: Simplify right side
    151.03x = 106,760.46
  5. Step 5: Solve for x
    x = 106,760.46/151.03
  6. Step 6: Final answer
    x = 706.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.