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Finding the Third Proportional to 11,334.94 and 20,219.63

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Solution

The third proportional to 11,334.94 and 20,219.63 is: 36,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.94 : 20,219.63 = 20,219.63 : x
  2. Step 2: Convert to fraction form
    11,334.94/20,219.63 = 20,219.63/x
  3. Step 3: Cross multiply
    11,334.94x = 20,219.63 × 20,219.63
  4. Step 4: Simplify right side
    11,334.94x = 408,833,235.14
  5. Step 5: Solve for x
    x = 408,833,235.14/11,334.94
  6. Step 6: Final answer
    x = 36,068.42

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.