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Finding the Third Proportional to 75,651.75 and 113,804

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Solution

The third proportional to 75,651.75 and 113,804 is: 171,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,651.75 : 113,804 = 113,804 : x
  2. Step 2: Convert to fraction form
    75,651.75/113,804 = 113,804/x
  3. Step 3: Cross multiply
    75,651.75x = 113,804 × 113,804
  4. Step 4: Simplify right side
    75,651.75x = 12,951,350,416
  5. Step 5: Solve for x
    x = 12,951,350,416/75,651.75
  6. Step 6: Final answer
    x = 171,196.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.