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Finding the Third Proportional to 11,940.75 and 18,334.13

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Solution

The third proportional to 11,940.75 and 18,334.13 is: 28,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.75 : 18,334.13 = 18,334.13 : x
  2. Step 2: Convert to fraction form
    11,940.75/18,334.13 = 18,334.13/x
  3. Step 3: Cross multiply
    11,940.75x = 18,334.13 × 18,334.13
  4. Step 4: Simplify right side
    11,940.75x = 336,140,139.52
  5. Step 5: Solve for x
    x = 336,140,139.52/11,940.75
  6. Step 6: Final answer
    x = 28,150.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.