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Finding the Third Proportional to 33,239.50 and 72,937

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Solution

The third proportional to 33,239.50 and 72,937 is: 160,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.50 : 72,937 = 72,937 : x
  2. Step 2: Convert to fraction form
    33,239.50/72,937 = 72,937/x
  3. Step 3: Cross multiply
    33,239.50x = 72,937 × 72,937
  4. Step 4: Simplify right side
    33,239.50x = 5,319,805,969
  5. Step 5: Solve for x
    x = 5,319,805,969/33,239.50
  6. Step 6: Final answer
    x = 160,044.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.