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Finding the Third Proportional to 2,940 and 3,363

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Solution

The third proportional to 2,940 and 3,363 is: 3,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940 : 3,363 = 3,363 : x
  2. Step 2: Convert to fraction form
    2,940/3,363 = 3,363/x
  3. Step 3: Cross multiply
    2,940x = 3,363 × 3,363
  4. Step 4: Simplify right side
    2,940x = 11,309,769
  5. Step 5: Solve for x
    x = 11,309,769/2,940
  6. Step 6: Final answer
    x = 3,846.86

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.