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Finding the Third Proportional to 6,625.13 and 13,930.31

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Solution

The third proportional to 6,625.13 and 13,930.31 is: 29,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.13 : 13,930.31 = 13,930.31 : x
  2. Step 2: Convert to fraction form
    6,625.13/13,930.31 = 13,930.31/x
  3. Step 3: Cross multiply
    6,625.13x = 13,930.31 × 13,930.31
  4. Step 4: Simplify right side
    6,625.13x = 194,053,606.35
  5. Step 5: Solve for x
    x = 194,053,606.35/6,625.13
  6. Step 6: Final answer
    x = 29,290.56

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.