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Finding the Third Proportional to 49.63 and 79

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Solution

The third proportional to 49.63 and 79 is: 125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.63 : 79 = 79 : x
  2. Step 2: Convert to fraction form
    49.63/79 = 79/x
  3. Step 3: Cross multiply
    49.63x = 79 × 79
  4. Step 4: Simplify right side
    49.63x = 6,241
  5. Step 5: Solve for x
    x = 6,241/49.63
  6. Step 6: Final answer
    x = 125.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.