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Finding the Third Proportional to 2,770 and 6,493

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Solution

The third proportional to 2,770 and 6,493 is: 15,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770 : 6,493 = 6,493 : x
  2. Step 2: Convert to fraction form
    2,770/6,493 = 6,493/x
  3. Step 3: Cross multiply
    2,770x = 6,493 × 6,493
  4. Step 4: Simplify right side
    2,770x = 42,159,049
  5. Step 5: Solve for x
    x = 42,159,049/2,770
  6. Step 6: Final answer
    x = 15,219.87

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.