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Finding the Third Proportional to 16,644 and 36,212

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Solution

The third proportional to 16,644 and 36,212 is: 78,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,644 : 36,212 = 36,212 : x
  2. Step 2: Convert to fraction form
    16,644/36,212 = 36,212/x
  3. Step 3: Cross multiply
    16,644x = 36,212 × 36,212
  4. Step 4: Simplify right side
    16,644x = 1,311,308,944
  5. Step 5: Solve for x
    x = 1,311,308,944/16,644
  6. Step 6: Final answer
    x = 78,785.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.