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Finding the Third Proportional to 18,243 and 44,383.50

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Solution

The third proportional to 18,243 and 44,383.50 is: 107,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243 : 44,383.50 = 44,383.50 : x
  2. Step 2: Convert to fraction form
    18,243/44,383.50 = 44,383.50/x
  3. Step 3: Cross multiply
    18,243x = 44,383.50 × 44,383.50
  4. Step 4: Simplify right side
    18,243x = 1,969,895,072.25
  5. Step 5: Solve for x
    x = 1,969,895,072.25/18,243
  6. Step 6: Final answer
    x = 107,980.87

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.