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Finding the Third Proportional to 50.50 and 61

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Solution

The third proportional to 50.50 and 61 is: 73.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.50 : 61 = 61 : x
  2. Step 2: Convert to fraction form
    50.50/61 = 61/x
  3. Step 3: Cross multiply
    50.50x = 61 × 61
  4. Step 4: Simplify right side
    50.50x = 3,721
  5. Step 5: Solve for x
    x = 3,721/50.50
  6. Step 6: Final answer
    x = 73.68

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.