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Finding the Third Proportional to 33,720 and 48,571

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Solution

The third proportional to 33,720 and 48,571 is: 69,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720 : 48,571 = 48,571 : x
  2. Step 2: Convert to fraction form
    33,720/48,571 = 48,571/x
  3. Step 3: Cross multiply
    33,720x = 48,571 × 48,571
  4. Step 4: Simplify right side
    33,720x = 2,359,142,041
  5. Step 5: Solve for x
    x = 2,359,142,041/33,720
  6. Step 6: Final answer
    x = 69,962.69

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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.