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Finding the Third Proportional to 20,940 and 45,006

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Solution

The third proportional to 20,940 and 45,006 is: 96,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940 : 45,006 = 45,006 : x
  2. Step 2: Convert to fraction form
    20,940/45,006 = 45,006/x
  3. Step 3: Cross multiply
    20,940x = 45,006 × 45,006
  4. Step 4: Simplify right side
    20,940x = 2,025,540,036
  5. Step 5: Solve for x
    x = 2,025,540,036/20,940
  6. Step 6: Final answer
    x = 96,730.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.