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Finding the Third Proportional to 48.50 and 75

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Solution

The third proportional to 48.50 and 75 is: 115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.50 : 75 = 75 : x
  2. Step 2: Convert to fraction form
    48.50/75 = 75/x
  3. Step 3: Cross multiply
    48.50x = 75 × 75
  4. Step 4: Simplify right side
    48.50x = 5,625
  5. Step 5: Solve for x
    x = 5,625/48.50
  6. Step 6: Final answer
    x = 115.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.