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Finding the Third Proportional to 18,026 and 38,826

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Solution

The third proportional to 18,026 and 38,826 is: 83,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026 : 38,826 = 38,826 : x
  2. Step 2: Convert to fraction form
    18,026/38,826 = 38,826/x
  3. Step 3: Cross multiply
    18,026x = 38,826 × 38,826
  4. Step 4: Simplify right side
    18,026x = 1,507,458,276
  5. Step 5: Solve for x
    x = 1,507,458,276/18,026
  6. Step 6: Final answer
    x = 83,626.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.