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Finding the Third Proportional to 6,336 and 8,781.75

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Solution

The third proportional to 6,336 and 8,781.75 is: 12,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336 : 8,781.75 = 8,781.75 : x
  2. Step 2: Convert to fraction form
    6,336/8,781.75 = 8,781.75/x
  3. Step 3: Cross multiply
    6,336x = 8,781.75 × 8,781.75
  4. Step 4: Simplify right side
    6,336x = 77,119,133.06
  5. Step 5: Solve for x
    x = 77,119,133.06/6,336
  6. Step 6: Final answer
    x = 12,171.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.