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Finding the Third Proportional to 25.03 and 51.56

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Solution

The third proportional to 25.03 and 51.56 is: 106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.03 : 51.56 = 51.56 : x
  2. Step 2: Convert to fraction form
    25.03/51.56 = 51.56/x
  3. Step 3: Cross multiply
    25.03x = 51.56 × 51.56
  4. Step 4: Simplify right side
    25.03x = 2,658.69
  5. Step 5: Solve for x
    x = 2,658.69/25.03
  6. Step 6: Final answer
    x = 106.21

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.