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Finding the Third Proportional to 132.84 and 200.81

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Solution

The third proportional to 132.84 and 200.81 is: 303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.84 : 200.81 = 200.81 : x
  2. Step 2: Convert to fraction form
    132.84/200.81 = 200.81/x
  3. Step 3: Cross multiply
    132.84x = 200.81 × 200.81
  4. Step 4: Simplify right side
    132.84x = 40,325.66
  5. Step 5: Solve for x
    x = 40,325.66/132.84
  6. Step 6: Final answer
    x = 303.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.