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Finding the Third Proportional to 12,126 and 26,118

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Solution

The third proportional to 12,126 and 26,118 is: 56,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126 : 26,118 = 26,118 : x
  2. Step 2: Convert to fraction form
    12,126/26,118 = 26,118/x
  3. Step 3: Cross multiply
    12,126x = 26,118 × 26,118
  4. Step 4: Simplify right side
    12,126x = 682,149,924
  5. Step 5: Solve for x
    x = 682,149,924/12,126
  6. Step 6: Final answer
    x = 56,255.15

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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.