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Finding the Third Proportional to 33,810 and 50,721

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Solution

The third proportional to 33,810 and 50,721 is: 76,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,810 : 50,721 = 50,721 : x
  2. Step 2: Convert to fraction form
    33,810/50,721 = 50,721/x
  3. Step 3: Cross multiply
    33,810x = 50,721 × 50,721
  4. Step 4: Simplify right side
    33,810x = 2,572,619,841
  5. Step 5: Solve for x
    x = 2,572,619,841/33,810
  6. Step 6: Final answer
    x = 76,090.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.