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Finding the Third Proportional to 79,110.42 and 161,158.36

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Solution

The third proportional to 79,110.42 and 161,158.36 is: 328,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.42 : 161,158.36 = 161,158.36 : x
  2. Step 2: Convert to fraction form
    79,110.42/161,158.36 = 161,158.36/x
  3. Step 3: Cross multiply
    79,110.42x = 161,158.36 × 161,158.36
  4. Step 4: Simplify right side
    79,110.42x = 25,972,016,796.44
  5. Step 5: Solve for x
    x = 25,972,016,796.44/79,110.42
  6. Step 6: Final answer
    x = 328,300.83

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.