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Finding the Third Proportional to 1,959.75 and 4,079.25

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Solution

The third proportional to 1,959.75 and 4,079.25 is: 8,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.75 : 4,079.25 = 4,079.25 : x
  2. Step 2: Convert to fraction form
    1,959.75/4,079.25 = 4,079.25/x
  3. Step 3: Cross multiply
    1,959.75x = 4,079.25 × 4,079.25
  4. Step 4: Simplify right side
    1,959.75x = 16,640,280.56
  5. Step 5: Solve for x
    x = 16,640,280.56/1,959.75
  6. Step 6: Final answer
    x = 8,491.02

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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.