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Finding the Third Proportional to 20,009 and 36,673

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Solution

The third proportional to 20,009 and 36,673 is: 67,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009 : 36,673 = 36,673 : x
  2. Step 2: Convert to fraction form
    20,009/36,673 = 36,673/x
  3. Step 3: Cross multiply
    20,009x = 36,673 × 36,673
  4. Step 4: Simplify right side
    20,009x = 1,344,908,929
  5. Step 5: Solve for x
    x = 1,344,908,929/20,009
  6. Step 6: Final answer
    x = 67,215.20

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.