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Finding the Third Proportional to 8,831 and 19,119.50

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Solution

The third proportional to 8,831 and 19,119.50 is: 41,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831 : 19,119.50 = 19,119.50 : x
  2. Step 2: Convert to fraction form
    8,831/19,119.50 = 19,119.50/x
  3. Step 3: Cross multiply
    8,831x = 19,119.50 × 19,119.50
  4. Step 4: Simplify right side
    8,831x = 365,555,280.25
  5. Step 5: Solve for x
    x = 365,555,280.25/8,831
  6. Step 6: Final answer
    x = 41,394.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.