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Finding the Third Proportional to 18,826 and 27,695

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Solution

The third proportional to 18,826 and 27,695 is: 40,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826 : 27,695 = 27,695 : x
  2. Step 2: Convert to fraction form
    18,826/27,695 = 27,695/x
  3. Step 3: Cross multiply
    18,826x = 27,695 × 27,695
  4. Step 4: Simplify right side
    18,826x = 767,013,025
  5. Step 5: Solve for x
    x = 767,013,025/18,826
  6. Step 6: Final answer
    x = 40,742.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.