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Finding the Third Proportional to 6,819.19 and 14,625.56

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Solution

The third proportional to 6,819.19 and 14,625.56 is: 31,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.19 : 14,625.56 = 14,625.56 : x
  2. Step 2: Convert to fraction form
    6,819.19/14,625.56 = 14,625.56/x
  3. Step 3: Cross multiply
    6,819.19x = 14,625.56 × 14,625.56
  4. Step 4: Simplify right side
    6,819.19x = 213,907,078.44
  5. Step 5: Solve for x
    x = 213,907,078.44/6,819.19
  6. Step 6: Final answer
    x = 31,368.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.