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Finding the Third Proportional to 55.25 and 133

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Solution

The third proportional to 55.25 and 133 is: 320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.25 : 133 = 133 : x
  2. Step 2: Convert to fraction form
    55.25/133 = 133/x
  3. Step 3: Cross multiply
    55.25x = 133 × 133
  4. Step 4: Simplify right side
    55.25x = 17,689
  5. Step 5: Solve for x
    x = 17,689/55.25
  6. Step 6: Final answer
    x = 320.16

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.