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Finding the Third Proportional to 33,249 and 71,715

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Solution

The third proportional to 33,249 and 71,715 is: 154,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249 : 71,715 = 71,715 : x
  2. Step 2: Convert to fraction form
    33,249/71,715 = 71,715/x
  3. Step 3: Cross multiply
    33,249x = 71,715 × 71,715
  4. Step 4: Simplify right side
    33,249x = 5,143,041,225
  5. Step 5: Solve for x
    x = 5,143,041,225/33,249
  6. Step 6: Final answer
    x = 154,682.58

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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.