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Finding the Third Proportional to 12,508 and 26,690

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Solution

The third proportional to 12,508 and 26,690 is: 56,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508 : 26,690 = 26,690 : x
  2. Step 2: Convert to fraction form
    12,508/26,690 = 26,690/x
  3. Step 3: Cross multiply
    12,508x = 26,690 × 26,690
  4. Step 4: Simplify right side
    12,508x = 712,356,100
  5. Step 5: Solve for x
    x = 712,356,100/12,508
  6. Step 6: Final answer
    x = 56,952.04

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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.