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Finding the Third Proportional to 18,783 and 41,283

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Solution

The third proportional to 18,783 and 41,283 is: 90,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783 : 41,283 = 41,283 : x
  2. Step 2: Convert to fraction form
    18,783/41,283 = 41,283/x
  3. Step 3: Cross multiply
    18,783x = 41,283 × 41,283
  4. Step 4: Simplify right side
    18,783x = 1,704,286,089
  5. Step 5: Solve for x
    x = 1,704,286,089/18,783
  6. Step 6: Final answer
    x = 90,735.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.