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Finding the Third Proportional to 13,479 and 27,627

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Solution

The third proportional to 13,479 and 27,627 is: 56,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479 : 27,627 = 27,627 : x
  2. Step 2: Convert to fraction form
    13,479/27,627 = 27,627/x
  3. Step 3: Cross multiply
    13,479x = 27,627 × 27,627
  4. Step 4: Simplify right side
    13,479x = 763,251,129
  5. Step 5: Solve for x
    x = 763,251,129/13,479
  6. Step 6: Final answer
    x = 56,625.20

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.