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Finding the Third Proportional to 19,983 and 28,884

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Solution

The third proportional to 19,983 and 28,884 is: 41,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983 : 28,884 = 28,884 : x
  2. Step 2: Convert to fraction form
    19,983/28,884 = 28,884/x
  3. Step 3: Cross multiply
    19,983x = 28,884 × 28,884
  4. Step 4: Simplify right side
    19,983x = 834,285,456
  5. Step 5: Solve for x
    x = 834,285,456/19,983
  6. Step 6: Final answer
    x = 41,749.76

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.