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Finding the Third Proportional to 13,284 and 27,945

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Solution

The third proportional to 13,284 and 27,945 is: 58,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284 : 27,945 = 27,945 : x
  2. Step 2: Convert to fraction form
    13,284/27,945 = 27,945/x
  3. Step 3: Cross multiply
    13,284x = 27,945 × 27,945
  4. Step 4: Simplify right side
    13,284x = 780,923,025
  5. Step 5: Solve for x
    x = 780,923,025/13,284
  6. Step 6: Final answer
    x = 58,786.74

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.