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Finding the Third Proportional to 10,811.25 and 23,289.75

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Solution

The third proportional to 10,811.25 and 23,289.75 is: 50,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.25 : 23,289.75 = 23,289.75 : x
  2. Step 2: Convert to fraction form
    10,811.25/23,289.75 = 23,289.75/x
  3. Step 3: Cross multiply
    10,811.25x = 23,289.75 × 23,289.75
  4. Step 4: Simplify right side
    10,811.25x = 542,412,455.06
  5. Step 5: Solve for x
    x = 542,412,455.06/10,811.25
  6. Step 6: Final answer
    x = 50,171.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.