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Finding the Third Proportional to 18,042.75 and 24,991.03

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Solution

The third proportional to 18,042.75 and 24,991.03 is: 34,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.75 : 24,991.03 = 24,991.03 : x
  2. Step 2: Convert to fraction form
    18,042.75/24,991.03 = 24,991.03/x
  3. Step 3: Cross multiply
    18,042.75x = 24,991.03 × 24,991.03
  4. Step 4: Simplify right side
    18,042.75x = 624,551,642.94
  5. Step 5: Solve for x
    x = 624,551,642.94/18,042.75
  6. Step 6: Final answer
    x = 34,615.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.