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Finding the Third Proportional to 8,835.75 and 18,387

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Solution

The third proportional to 8,835.75 and 18,387 is: 38,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.75 : 18,387 = 18,387 : x
  2. Step 2: Convert to fraction form
    8,835.75/18,387 = 18,387/x
  3. Step 3: Cross multiply
    8,835.75x = 18,387 × 18,387
  4. Step 4: Simplify right side
    8,835.75x = 338,081,769
  5. Step 5: Solve for x
    x = 338,081,769/8,835.75
  6. Step 6: Final answer
    x = 38,262.94

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.