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Finding the Third Proportional to 49.31 and 103.50

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Solution

The third proportional to 49.31 and 103.50 is: 217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.31 : 103.50 = 103.50 : x
  2. Step 2: Convert to fraction form
    49.31/103.50 = 103.50/x
  3. Step 3: Cross multiply
    49.31x = 103.50 × 103.50
  4. Step 4: Simplify right side
    49.31x = 10,712.25
  5. Step 5: Solve for x
    x = 10,712.25/49.31
  6. Step 6: Final answer
    x = 217.23

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.