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Finding the Third Proportional to 13,392 and 27,856

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Solution

The third proportional to 13,392 and 27,856 is: 57,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392 : 27,856 = 27,856 : x
  2. Step 2: Convert to fraction form
    13,392/27,856 = 27,856/x
  3. Step 3: Cross multiply
    13,392x = 27,856 × 27,856
  4. Step 4: Simplify right side
    13,392x = 775,956,736
  5. Step 5: Solve for x
    x = 775,956,736/13,392
  6. Step 6: Final answer
    x = 57,941.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.