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Finding the Third Proportional to 33,930 and 48,707.50

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Solution

The third proportional to 33,930 and 48,707.50 is: 69,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,930 : 48,707.50 = 48,707.50 : x
  2. Step 2: Convert to fraction form
    33,930/48,707.50 = 48,707.50/x
  3. Step 3: Cross multiply
    33,930x = 48,707.50 × 48,707.50
  4. Step 4: Simplify right side
    33,930x = 2,372,420,556.25
  5. Step 5: Solve for x
    x = 2,372,420,556.25/33,930
  6. Step 6: Final answer
    x = 69,921.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.