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Finding the Third Proportional to 21,876.75 and 47,908.13

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Solution

The third proportional to 21,876.75 and 47,908.13 is: 104,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.75 : 47,908.13 = 47,908.13 : x
  2. Step 2: Convert to fraction form
    21,876.75/47,908.13 = 47,908.13/x
  3. Step 3: Cross multiply
    21,876.75x = 47,908.13 × 47,908.13
  4. Step 4: Simplify right side
    21,876.75x = 2,295,188,441.02
  5. Step 5: Solve for x
    x = 2,295,188,441.02/21,876.75
  6. Step 6: Final answer
    x = 104,914.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.