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Finding the Third Proportional to 2,707 and 3,079

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Solution

The third proportional to 2,707 and 3,079 is: 3,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707 : 3,079 = 3,079 : x
  2. Step 2: Convert to fraction form
    2,707/3,079 = 3,079/x
  3. Step 3: Cross multiply
    2,707x = 3,079 × 3,079
  4. Step 4: Simplify right side
    2,707x = 9,480,241
  5. Step 5: Solve for x
    x = 9,480,241/2,707
  6. Step 6: Final answer
    x = 3,502.12

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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.