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Finding the Third Proportional to 33,800.50 and 73,415

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Solution

The third proportional to 33,800.50 and 73,415 is: 159,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,800.50 : 73,415 = 73,415 : x
  2. Step 2: Convert to fraction form
    33,800.50/73,415 = 73,415/x
  3. Step 3: Cross multiply
    33,800.50x = 73,415 × 73,415
  4. Step 4: Simplify right side
    33,800.50x = 5,389,762,225
  5. Step 5: Solve for x
    x = 5,389,762,225/33,800.50
  6. Step 6: Final answer
    x = 159,458.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.