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Finding the Third Proportional to 11,463 and 18,240

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Solution

The third proportional to 11,463 and 18,240 is: 29,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463 : 18,240 = 18,240 : x
  2. Step 2: Convert to fraction form
    11,463/18,240 = 18,240/x
  3. Step 3: Cross multiply
    11,463x = 18,240 × 18,240
  4. Step 4: Simplify right side
    11,463x = 332,697,600
  5. Step 5: Solve for x
    x = 332,697,600/11,463
  6. Step 6: Final answer
    x = 29,023.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.