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Finding the Third Proportional to 18,194.25 and 27,777

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Solution

The third proportional to 18,194.25 and 27,777 is: 42,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.25 : 27,777 = 27,777 : x
  2. Step 2: Convert to fraction form
    18,194.25/27,777 = 27,777/x
  3. Step 3: Cross multiply
    18,194.25x = 27,777 × 27,777
  4. Step 4: Simplify right side
    18,194.25x = 771,561,729
  5. Step 5: Solve for x
    x = 771,561,729/18,194.25
  6. Step 6: Final answer
    x = 42,406.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.