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Finding the Third Proportional to 6,818.20 and 14,712.19

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Solution

The third proportional to 6,818.20 and 14,712.19 is: 31,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.20 : 14,712.19 = 14,712.19 : x
  2. Step 2: Convert to fraction form
    6,818.20/14,712.19 = 14,712.19/x
  3. Step 3: Cross multiply
    6,818.20x = 14,712.19 × 14,712.19
  4. Step 4: Simplify right side
    6,818.20x = 216,448,461.04
  5. Step 5: Solve for x
    x = 216,448,461.04/6,818.20
  6. Step 6: Final answer
    x = 31,745.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.