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Finding the Third Proportional to 33,208.50 and 71,664

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Solution

The third proportional to 33,208.50 and 71,664 is: 154,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,208.50 : 71,664 = 71,664 : x
  2. Step 2: Convert to fraction form
    33,208.50/71,664 = 71,664/x
  3. Step 3: Cross multiply
    33,208.50x = 71,664 × 71,664
  4. Step 4: Simplify right side
    33,208.50x = 5,135,728,896
  5. Step 5: Solve for x
    x = 5,135,728,896/33,208.50
  6. Step 6: Final answer
    x = 154,651.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.