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Finding the Third Proportional to 1,512.11 and 4,113.44

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Solution

The third proportional to 1,512.11 and 4,113.44 is: 11,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.11 : 4,113.44 = 4,113.44 : x
  2. Step 2: Convert to fraction form
    1,512.11/4,113.44 = 4,113.44/x
  3. Step 3: Cross multiply
    1,512.11x = 4,113.44 × 4,113.44
  4. Step 4: Simplify right side
    1,512.11x = 16,920,384.13
  5. Step 5: Solve for x
    x = 16,920,384.13/1,512.11
  6. Step 6: Final answer
    x = 11,189.95

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.