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Finding the Third Proportional to 28.75 and 58.84

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Solution

The third proportional to 28.75 and 58.84 is: 120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.75 : 58.84 = 58.84 : x
  2. Step 2: Convert to fraction form
    28.75/58.84 = 58.84/x
  3. Step 3: Cross multiply
    28.75x = 58.84 × 58.84
  4. Step 4: Simplify right side
    28.75x = 3,462.59
  5. Step 5: Solve for x
    x = 3,462.59/28.75
  6. Step 6: Final answer
    x = 120.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.