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Finding the Third Proportional to 327.56 and 374.06

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Solution

The third proportional to 327.56 and 374.06 is: 427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.56 : 374.06 = 374.06 : x
  2. Step 2: Convert to fraction form
    327.56/374.06 = 374.06/x
  3. Step 3: Cross multiply
    327.56x = 374.06 × 374.06
  4. Step 4: Simplify right side
    327.56x = 139,922.75
  5. Step 5: Solve for x
    x = 139,922.75/327.56
  6. Step 6: Final answer
    x = 427.16

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.