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Finding the Third Proportional to 50.15 and 79.58

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Solution

The third proportional to 50.15 and 79.58 is: 126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.15 : 79.58 = 79.58 : x
  2. Step 2: Convert to fraction form
    50.15/79.58 = 79.58/x
  3. Step 3: Cross multiply
    50.15x = 79.58 × 79.58
  4. Step 4: Simplify right side
    50.15x = 6,332.37
  5. Step 5: Solve for x
    x = 6,332.37/50.15
  6. Step 6: Final answer
    x = 126.27

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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.