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Finding the Third Proportional to 25.63 and 54.50

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Solution

The third proportional to 25.63 and 54.50 is: 115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.63 : 54.50 = 54.50 : x
  2. Step 2: Convert to fraction form
    25.63/54.50 = 54.50/x
  3. Step 3: Cross multiply
    25.63x = 54.50 × 54.50
  4. Step 4: Simplify right side
    25.63x = 2,970.25
  5. Step 5: Solve for x
    x = 2,970.25/25.63
  6. Step 6: Final answer
    x = 115.91

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.