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Finding the Third Proportional to 20,922 and 43,998

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Solution

The third proportional to 20,922 and 43,998 is: 92,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922 : 43,998 = 43,998 : x
  2. Step 2: Convert to fraction form
    20,922/43,998 = 43,998/x
  3. Step 3: Cross multiply
    20,922x = 43,998 × 43,998
  4. Step 4: Simplify right side
    20,922x = 1,935,824,004
  5. Step 5: Solve for x
    x = 1,935,824,004/20,922
  6. Step 6: Final answer
    x = 92,525.76

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.