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Finding the Third Proportional to 3,089 and 6,739

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Solution

The third proportional to 3,089 and 6,739 is: 14,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089 : 6,739 = 6,739 : x
  2. Step 2: Convert to fraction form
    3,089/6,739 = 6,739/x
  3. Step 3: Cross multiply
    3,089x = 6,739 × 6,739
  4. Step 4: Simplify right side
    3,089x = 45,414,121
  5. Step 5: Solve for x
    x = 45,414,121/3,089
  6. Step 6: Final answer
    x = 14,701.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.