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Finding the Third Proportional to 15,940 and 33,995

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Solution

The third proportional to 15,940 and 33,995 is: 72,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940 : 33,995 = 33,995 : x
  2. Step 2: Convert to fraction form
    15,940/33,995 = 33,995/x
  3. Step 3: Cross multiply
    15,940x = 33,995 × 33,995
  4. Step 4: Simplify right side
    15,940x = 1,155,660,025
  5. Step 5: Solve for x
    x = 1,155,660,025/15,940
  6. Step 6: Final answer
    x = 72,500.63

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.