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Finding the Third Proportional to 12,927 and 27,917

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Solution

The third proportional to 12,927 and 27,917 is: 60,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927 : 27,917 = 27,917 : x
  2. Step 2: Convert to fraction form
    12,927/27,917 = 27,917/x
  3. Step 3: Cross multiply
    12,927x = 27,917 × 27,917
  4. Step 4: Simplify right side
    12,927x = 779,358,889
  5. Step 5: Solve for x
    x = 779,358,889/12,927
  6. Step 6: Final answer
    x = 60,289.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.