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Finding the Third Proportional to 17.93 and 33.30

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Solution

The third proportional to 17.93 and 33.30 is: 61.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.93 : 33.30 = 33.30 : x
  2. Step 2: Convert to fraction form
    17.93/33.30 = 33.30/x
  3. Step 3: Cross multiply
    17.93x = 33.30 × 33.30
  4. Step 4: Simplify right side
    17.93x = 1,109.20
  5. Step 5: Solve for x
    x = 1,109.20/17.93
  6. Step 6: Final answer
    x = 61.86

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.