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Finding the Third Proportional to 11,944 and 18,240

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Solution

The third proportional to 11,944 and 18,240 is: 27,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944 : 18,240 = 18,240 : x
  2. Step 2: Convert to fraction form
    11,944/18,240 = 18,240/x
  3. Step 3: Cross multiply
    11,944x = 18,240 × 18,240
  4. Step 4: Simplify right side
    11,944x = 332,697,600
  5. Step 5: Solve for x
    x = 332,697,600/11,944
  6. Step 6: Final answer
    x = 27,854.79

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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.