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Finding the Third Proportional to 28 and 35.88

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Solution

The third proportional to 28 and 35.88 is: 45.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28 : 35.88 = 35.88 : x
  2. Step 2: Convert to fraction form
    28/35.88 = 35.88/x
  3. Step 3: Cross multiply
    28x = 35.88 × 35.88
  4. Step 4: Simplify right side
    28x = 1,287.02
  5. Step 5: Solve for x
    x = 1,287.02/28
  6. Step 6: Final answer
    x = 45.96

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.