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Finding the Third Proportional to 149.91 and 325.27

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Solution

The third proportional to 149.91 and 325.27 is: 705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.91 : 325.27 = 325.27 : x
  2. Step 2: Convert to fraction form
    149.91/325.27 = 325.27/x
  3. Step 3: Cross multiply
    149.91x = 325.27 × 325.27
  4. Step 4: Simplify right side
    149.91x = 105,797.73
  5. Step 5: Solve for x
    x = 105,797.73/149.91
  6. Step 6: Final answer
    x = 705.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.