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Finding the Third Proportional to 18,020 and 26,956

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Solution

The third proportional to 18,020 and 26,956 is: 40,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020 : 26,956 = 26,956 : x
  2. Step 2: Convert to fraction form
    18,020/26,956 = 26,956/x
  3. Step 3: Cross multiply
    18,020x = 26,956 × 26,956
  4. Step 4: Simplify right side
    18,020x = 726,625,936
  5. Step 5: Solve for x
    x = 726,625,936/18,020
  6. Step 6: Final answer
    x = 40,323.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.