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Finding the Third Proportional to 20,538 and 47,919

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Solution

The third proportional to 20,538 and 47,919 is: 111,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538 : 47,919 = 47,919 : x
  2. Step 2: Convert to fraction form
    20,538/47,919 = 47,919/x
  3. Step 3: Cross multiply
    20,538x = 47,919 × 47,919
  4. Step 4: Simplify right side
    20,538x = 2,296,230,561
  5. Step 5: Solve for x
    x = 2,296,230,561/20,538
  6. Step 6: Final answer
    x = 111,804.00

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.