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Finding the Third Proportional to 50,379.47 and 78,633.28

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Solution

The third proportional to 50,379.47 and 78,633.28 is: 122,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,379.47 : 78,633.28 = 78,633.28 : x
  2. Step 2: Convert to fraction form
    50,379.47/78,633.28 = 78,633.28/x
  3. Step 3: Cross multiply
    50,379.47x = 78,633.28 × 78,633.28
  4. Step 4: Simplify right side
    50,379.47x = 6,183,192,920.14
  5. Step 5: Solve for x
    x = 6,183,192,920.14/50,379.47
  6. Step 6: Final answer
    x = 122,732.40

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.