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Finding the Third Proportional to 132 and 231.50

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Solution

The third proportional to 132 and 231.50 is: 406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132 : 231.50 = 231.50 : x
  2. Step 2: Convert to fraction form
    132/231.50 = 231.50/x
  3. Step 3: Cross multiply
    132x = 231.50 × 231.50
  4. Step 4: Simplify right side
    132x = 53,592.25
  5. Step 5: Solve for x
    x = 53,592.25/132
  6. Step 6: Final answer
    x = 406.00

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Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.