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Finding the Third Proportional to 21,843 and 32,729

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Solution

The third proportional to 21,843 and 32,729 is: 49,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843 : 32,729 = 32,729 : x
  2. Step 2: Convert to fraction form
    21,843/32,729 = 32,729/x
  3. Step 3: Cross multiply
    21,843x = 32,729 × 32,729
  4. Step 4: Simplify right side
    21,843x = 1,071,187,441
  5. Step 5: Solve for x
    x = 1,071,187,441/21,843
  6. Step 6: Final answer
    x = 49,040.31

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