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Finding the Third Proportional to 33,206.50 and 71,659

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Solution

The third proportional to 33,206.50 and 71,659 is: 154,638.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,206.50 : 71,659 = 71,659 : x
  2. Step 2: Convert to fraction form
    33,206.50/71,659 = 71,659/x
  3. Step 3: Cross multiply
    33,206.50x = 71,659 × 71,659
  4. Step 4: Simplify right side
    33,206.50x = 5,135,012,281
  5. Step 5: Solve for x
    x = 5,135,012,281/33,206.50
  6. Step 6: Final answer
    x = 154,638.77

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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.