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Finding the Third Proportional to 18,840 and 27,693

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Solution

The third proportional to 18,840 and 27,693 is: 40,706.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840 : 27,693 = 27,693 : x
  2. Step 2: Convert to fraction form
    18,840/27,693 = 27,693/x
  3. Step 3: Cross multiply
    18,840x = 27,693 × 27,693
  4. Step 4: Simplify right side
    18,840x = 766,902,249
  5. Step 5: Solve for x
    x = 766,902,249/18,840
  6. Step 6: Final answer
    x = 40,706.06

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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.