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Finding the Third Proportional to 3,214.69 and 6,906.52

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Solution

The third proportional to 3,214.69 and 6,906.52 is: 14,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.69 : 6,906.52 = 6,906.52 : x
  2. Step 2: Convert to fraction form
    3,214.69/6,906.52 = 6,906.52/x
  3. Step 3: Cross multiply
    3,214.69x = 6,906.52 × 6,906.52
  4. Step 4: Simplify right side
    3,214.69x = 47,699,958.08
  5. Step 5: Solve for x
    x = 47,699,958.08/3,214.69
  6. Step 6: Final answer
    x = 14,838.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.