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Finding the Third Proportional to 12,339 and 26,214

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Solution

The third proportional to 12,339 and 26,214 is: 55,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339 : 26,214 = 26,214 : x
  2. Step 2: Convert to fraction form
    12,339/26,214 = 26,214/x
  3. Step 3: Cross multiply
    12,339x = 26,214 × 26,214
  4. Step 4: Simplify right side
    12,339x = 687,173,796
  5. Step 5: Solve for x
    x = 687,173,796/12,339
  6. Step 6: Final answer
    x = 55,691.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.