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Finding the Third Proportional to 152.53 and 327.56

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Solution

The third proportional to 152.53 and 327.56 is: 703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.53 : 327.56 = 327.56 : x
  2. Step 2: Convert to fraction form
    152.53/327.56 = 327.56/x
  3. Step 3: Cross multiply
    152.53x = 327.56 × 327.56
  4. Step 4: Simplify right side
    152.53x = 107,297.19
  5. Step 5: Solve for x
    x = 107,297.19/152.53
  6. Step 6: Final answer
    x = 703.44

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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.