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Finding the Third Proportional to 18,474.75 and 43,372.13

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Solution

The third proportional to 18,474.75 and 43,372.13 is: 101,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.75 : 43,372.13 = 43,372.13 : x
  2. Step 2: Convert to fraction form
    18,474.75/43,372.13 = 43,372.13/x
  3. Step 3: Cross multiply
    18,474.75x = 43,372.13 × 43,372.13
  4. Step 4: Simplify right side
    18,474.75x = 1,881,141,227.02
  5. Step 5: Solve for x
    x = 1,881,141,227.02/18,474.75
  6. Step 6: Final answer
    x = 101,822.28

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.