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Finding the Third Proportional to 132.19 and 262.69

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Solution

The third proportional to 132.19 and 262.69 is: 522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.19 : 262.69 = 262.69 : x
  2. Step 2: Convert to fraction form
    132.19/262.69 = 262.69/x
  3. Step 3: Cross multiply
    132.19x = 262.69 × 262.69
  4. Step 4: Simplify right side
    132.19x = 69,004.72
  5. Step 5: Solve for x
    x = 69,004.72/132.19
  6. Step 6: Final answer
    x = 522.02

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.