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Finding the Third Proportional to 13,138 and 27,383

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Solution

The third proportional to 13,138 and 27,383 is: 57,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138 : 27,383 = 27,383 : x
  2. Step 2: Convert to fraction form
    13,138/27,383 = 27,383/x
  3. Step 3: Cross multiply
    13,138x = 27,383 × 27,383
  4. Step 4: Simplify right side
    13,138x = 749,828,689
  5. Step 5: Solve for x
    x = 749,828,689/13,138
  6. Step 6: Final answer
    x = 57,073.28

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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.