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Finding the Third Proportional to 12,212 and 26,305

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Solution

The third proportional to 12,212 and 26,305 is: 56,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212 : 26,305 = 26,305 : x
  2. Step 2: Convert to fraction form
    12,212/26,305 = 26,305/x
  3. Step 3: Cross multiply
    12,212x = 26,305 × 26,305
  4. Step 4: Simplify right side
    12,212x = 691,953,025
  5. Step 5: Solve for x
    x = 691,953,025/12,212
  6. Step 6: Final answer
    x = 56,661.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.