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Finding the Third Proportional to 18,642.66 and 27,083.53

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Solution

The third proportional to 18,642.66 and 27,083.53 is: 39,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,642.66 : 27,083.53 = 27,083.53 : x
  2. Step 2: Convert to fraction form
    18,642.66/27,083.53 = 27,083.53/x
  3. Step 3: Cross multiply
    18,642.66x = 27,083.53 × 27,083.53
  4. Step 4: Simplify right side
    18,642.66x = 733,517,664.97
  5. Step 5: Solve for x
    x = 733,517,664.97/18,642.66
  6. Step 6: Final answer
    x = 39,346.20

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.