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Finding the Third Proportional to 25.37 and 54.68

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Solution

The third proportional to 25.37 and 54.68 is: 117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.37 : 54.68 = 54.68 : x
  2. Step 2: Convert to fraction form
    25.37/54.68 = 54.68/x
  3. Step 3: Cross multiply
    25.37x = 54.68 × 54.68
  4. Step 4: Simplify right side
    25.37x = 2,989.53
  5. Step 5: Solve for x
    x = 2,989.53/25.37
  6. Step 6: Final answer
    x = 117.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.