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Finding the Third Proportional to 3,436.31 and 7,316.44

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Solution

The third proportional to 3,436.31 and 7,316.44 is: 15,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.31 : 7,316.44 = 7,316.44 : x
  2. Step 2: Convert to fraction form
    3,436.31/7,316.44 = 7,316.44/x
  3. Step 3: Cross multiply
    3,436.31x = 7,316.44 × 7,316.44
  4. Step 4: Simplify right side
    3,436.31x = 53,530,257.69
  5. Step 5: Solve for x
    x = 53,530,257.69/3,436.31
  6. Step 6: Final answer
    x = 15,577.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.