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Finding the Third Proportional to 18,883.50 and 38,586

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Solution

The third proportional to 18,883.50 and 38,586 is: 78,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.50 : 38,586 = 38,586 : x
  2. Step 2: Convert to fraction form
    18,883.50/38,586 = 38,586/x
  3. Step 3: Cross multiply
    18,883.50x = 38,586 × 38,586
  4. Step 4: Simplify right side
    18,883.50x = 1,488,879,396
  5. Step 5: Solve for x
    x = 1,488,879,396/18,883.50
  6. Step 6: Final answer
    x = 78,845.52

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.