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Finding the Third Proportional to 12,213 and 26,005

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Solution

The third proportional to 12,213 and 26,005 is: 55,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213 : 26,005 = 26,005 : x
  2. Step 2: Convert to fraction form
    12,213/26,005 = 26,005/x
  3. Step 3: Cross multiply
    12,213x = 26,005 × 26,005
  4. Step 4: Simplify right side
    12,213x = 676,260,025
  5. Step 5: Solve for x
    x = 676,260,025/12,213
  6. Step 6: Final answer
    x = 55,372.15

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.