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Finding the Third Proportional to 26,690 and 38,144

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Solution

The third proportional to 26,690 and 38,144 is: 54,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690 : 38,144 = 38,144 : x
  2. Step 2: Convert to fraction form
    26,690/38,144 = 38,144/x
  3. Step 3: Cross multiply
    26,690x = 38,144 × 38,144
  4. Step 4: Simplify right side
    26,690x = 1,454,964,736
  5. Step 5: Solve for x
    x = 1,454,964,736/26,690
  6. Step 6: Final answer
    x = 54,513.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.