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Finding the Third Proportional to 33,720 and 52,101

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Solution

The third proportional to 33,720 and 52,101 is: 80,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720 : 52,101 = 52,101 : x
  2. Step 2: Convert to fraction form
    33,720/52,101 = 52,101/x
  3. Step 3: Cross multiply
    33,720x = 52,101 × 52,101
  4. Step 4: Simplify right side
    33,720x = 2,714,514,201
  5. Step 5: Solve for x
    x = 2,714,514,201/33,720
  6. Step 6: Final answer
    x = 80,501.61

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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.