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Finding the Third Proportional to 26,647 and 54,209

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Solution

The third proportional to 26,647 and 54,209 is: 110,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647 : 54,209 = 54,209 : x
  2. Step 2: Convert to fraction form
    26,647/54,209 = 54,209/x
  3. Step 3: Cross multiply
    26,647x = 54,209 × 54,209
  4. Step 4: Simplify right side
    26,647x = 2,938,615,681
  5. Step 5: Solve for x
    x = 2,938,615,681/26,647
  6. Step 6: Final answer
    x = 110,279.42

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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.