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Finding the Third Proportional to 12,841 and 26,690

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Solution

The third proportional to 12,841 and 26,690 is: 55,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841 : 26,690 = 26,690 : x
  2. Step 2: Convert to fraction form
    12,841/26,690 = 26,690/x
  3. Step 3: Cross multiply
    12,841x = 26,690 × 26,690
  4. Step 4: Simplify right side
    12,841x = 712,356,100
  5. Step 5: Solve for x
    x = 712,356,100/12,841
  6. Step 6: Final answer
    x = 55,475.13

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.