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Finding the Third Proportional to 51,544 and 75,129

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Solution

The third proportional to 51,544 and 75,129 is: 109,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,544 : 75,129 = 75,129 : x
  2. Step 2: Convert to fraction form
    51,544/75,129 = 75,129/x
  3. Step 3: Cross multiply
    51,544x = 75,129 × 75,129
  4. Step 4: Simplify right side
    51,544x = 5,644,366,641
  5. Step 5: Solve for x
    x = 5,644,366,641/51,544
  6. Step 6: Final answer
    x = 109,505.79

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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.