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Finding the Third Proportional to 79,168.32 and 122,769.11

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Solution

The third proportional to 79,168.32 and 122,769.11 is: 190,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.32 : 122,769.11 = 122,769.11 : x
  2. Step 2: Convert to fraction form
    79,168.32/122,769.11 = 122,769.11/x
  3. Step 3: Cross multiply
    79,168.32x = 122,769.11 × 122,769.11
  4. Step 4: Simplify right side
    79,168.32x = 15,072,253,257.60
  5. Step 5: Solve for x
    x = 15,072,253,257.60/79,168.32
  6. Step 6: Final answer
    x = 190,382.37

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.