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Finding the Third Proportional to 8,727.86 and 18,839.14

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Solution

The third proportional to 8,727.86 and 18,839.14 is: 40,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.86 : 18,839.14 = 18,839.14 : x
  2. Step 2: Convert to fraction form
    8,727.86/18,839.14 = 18,839.14/x
  3. Step 3: Cross multiply
    8,727.86x = 18,839.14 × 18,839.14
  4. Step 4: Simplify right side
    8,727.86x = 354,913,366.67
  5. Step 5: Solve for x
    x = 354,913,366.67/8,727.86
  6. Step 6: Final answer
    x = 40,664.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.