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Finding the Third Proportional to 58.50 and 108.38

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Solution

The third proportional to 58.50 and 108.38 is: 200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.50 : 108.38 = 108.38 : x
  2. Step 2: Convert to fraction form
    58.50/108.38 = 108.38/x
  3. Step 3: Cross multiply
    58.50x = 108.38 × 108.38
  4. Step 4: Simplify right side
    58.50x = 11,745.14
  5. Step 5: Solve for x
    x = 11,745.14/58.50
  6. Step 6: Final answer
    x = 200.77

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.