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Finding the Third Proportional to 33,760.13 and 78,161.63

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Solution

The third proportional to 33,760.13 and 78,161.63 is: 180,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,760.13 : 78,161.63 = 78,161.63 : x
  2. Step 2: Convert to fraction form
    33,760.13/78,161.63 = 78,161.63/x
  3. Step 3: Cross multiply
    33,760.13x = 78,161.63 × 78,161.63
  4. Step 4: Simplify right side
    33,760.13x = 6,109,239,622.64
  5. Step 5: Solve for x
    x = 6,109,239,622.64/33,760.13
  6. Step 6: Final answer
    x = 180,960.22

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.