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Finding the Third Proportional to 10,872 and 23,208.75

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Solution

The third proportional to 10,872 and 23,208.75 is: 49,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872 : 23,208.75 = 23,208.75 : x
  2. Step 2: Convert to fraction form
    10,872/23,208.75 = 23,208.75/x
  3. Step 3: Cross multiply
    10,872x = 23,208.75 × 23,208.75
  4. Step 4: Simplify right side
    10,872x = 538,646,076.56
  5. Step 5: Solve for x
    x = 538,646,076.56/10,872
  6. Step 6: Final answer
    x = 49,544.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.