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Finding the Third Proportional to 3,120.19 and 6,625.13

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Solution

The third proportional to 3,120.19 and 6,625.13 is: 14,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.19 : 6,625.13 = 6,625.13 : x
  2. Step 2: Convert to fraction form
    3,120.19/6,625.13 = 6,625.13/x
  3. Step 3: Cross multiply
    3,120.19x = 6,625.13 × 6,625.13
  4. Step 4: Simplify right side
    3,120.19x = 43,892,281.27
  5. Step 5: Solve for x
    x = 43,892,281.27/3,120.19
  6. Step 6: Final answer
    x = 14,067.19

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.