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Finding the Third Proportional to 3,310 and 6,831

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Solution

The third proportional to 3,310 and 6,831 is: 14,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310 : 6,831 = 6,831 : x
  2. Step 2: Convert to fraction form
    3,310/6,831 = 6,831/x
  3. Step 3: Cross multiply
    3,310x = 6,831 × 6,831
  4. Step 4: Simplify right side
    3,310x = 46,662,561
  5. Step 5: Solve for x
    x = 46,662,561/3,310
  6. Step 6: Final answer
    x = 14,097.45

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.