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Finding the Third Proportional to 2,939.75 and 6,119.13

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Solution

The third proportional to 2,939.75 and 6,119.13 is: 12,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.75 : 6,119.13 = 6,119.13 : x
  2. Step 2: Convert to fraction form
    2,939.75/6,119.13 = 6,119.13/x
  3. Step 3: Cross multiply
    2,939.75x = 6,119.13 × 6,119.13
  4. Step 4: Simplify right side
    2,939.75x = 37,443,690.77
  5. Step 5: Solve for x
    x = 37,443,690.77/2,939.75
  6. Step 6: Final answer
    x = 12,737.03

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.