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Finding the Third Proportional to 12,586 and 26,672

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Solution

The third proportional to 12,586 and 26,672 is: 56,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586 : 26,672 = 26,672 : x
  2. Step 2: Convert to fraction form
    12,586/26,672 = 26,672/x
  3. Step 3: Cross multiply
    12,586x = 26,672 × 26,672
  4. Step 4: Simplify right side
    12,586x = 711,395,584
  5. Step 5: Solve for x
    x = 711,395,584/12,586
  6. Step 6: Final answer
    x = 56,522.77

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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.