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Finding the Third Proportional to 33,668 and 52,130

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Solution

The third proportional to 33,668 and 52,130 is: 80,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668 : 52,130 = 52,130 : x
  2. Step 2: Convert to fraction form
    33,668/52,130 = 52,130/x
  3. Step 3: Cross multiply
    33,668x = 52,130 × 52,130
  4. Step 4: Simplify right side
    33,668x = 2,717,536,900
  5. Step 5: Solve for x
    x = 2,717,536,900/33,668
  6. Step 6: Final answer
    x = 80,715.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.