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Finding the Third Proportional to 26,790 and 54,309

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Solution

The third proportional to 26,790 and 54,309 is: 110,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790 : 54,309 = 54,309 : x
  2. Step 2: Convert to fraction form
    26,790/54,309 = 54,309/x
  3. Step 3: Cross multiply
    26,790x = 54,309 × 54,309
  4. Step 4: Simplify right side
    26,790x = 2,949,467,481
  5. Step 5: Solve for x
    x = 2,949,467,481/26,790
  6. Step 6: Final answer
    x = 110,095.84

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.