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Finding the Third Proportional to 50.63 and 74.13

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Solution

The third proportional to 50.63 and 74.13 is: 108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.63 : 74.13 = 74.13 : x
  2. Step 2: Convert to fraction form
    50.63/74.13 = 74.13/x
  3. Step 3: Cross multiply
    50.63x = 74.13 × 74.13
  4. Step 4: Simplify right side
    50.63x = 5,494.52
  5. Step 5: Solve for x
    x = 5,494.52/50.63
  6. Step 6: Final answer
    x = 108.53

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.