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Finding the Third Proportional to 38.13 and 48.50

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Solution

The third proportional to 38.13 and 48.50 is: 61.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.13 : 48.50 = 48.50 : x
  2. Step 2: Convert to fraction form
    38.13/48.50 = 48.50/x
  3. Step 3: Cross multiply
    38.13x = 48.50 × 48.50
  4. Step 4: Simplify right side
    38.13x = 2,352.25
  5. Step 5: Solve for x
    x = 2,352.25/38.13
  6. Step 6: Final answer
    x = 61.70

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.