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Finding the Third Proportional to 28.48 and 62.02

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Solution

The third proportional to 28.48 and 62.02 is: 135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.48 : 62.02 = 62.02 : x
  2. Step 2: Convert to fraction form
    28.48/62.02 = 62.02/x
  3. Step 3: Cross multiply
    28.48x = 62.02 × 62.02
  4. Step 4: Simplify right side
    28.48x = 3,845.94
  5. Step 5: Solve for x
    x = 3,845.94/28.48
  6. Step 6: Final answer
    x = 135.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.