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Finding the Third Proportional to 15.33 and 22.08

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Solution

The third proportional to 15.33 and 22.08 is: 31.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.33 : 22.08 = 22.08 : x
  2. Step 2: Convert to fraction form
    15.33/22.08 = 22.08/x
  3. Step 3: Cross multiply
    15.33x = 22.08 × 22.08
  4. Step 4: Simplify right side
    15.33x = 487.44
  5. Step 5: Solve for x
    x = 487.44/15.33
  6. Step 6: Final answer
    x = 31.80

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.