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Finding the Third Proportional to 48.94 and 107.58

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Solution

The third proportional to 48.94 and 107.58 is: 236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.94 : 107.58 = 107.58 : x
  2. Step 2: Convert to fraction form
    48.94/107.58 = 107.58/x
  3. Step 3: Cross multiply
    48.94x = 107.58 × 107.58
  4. Step 4: Simplify right side
    48.94x = 11,573.05
  5. Step 5: Solve for x
    x = 11,573.05/48.94
  6. Step 6: Final answer
    x = 236.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.