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Finding the Third Proportional to 3,511,014.75 and 5,509,135.69

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Solution

The third proportional to 3,511,014.75 and 5,509,135.69 is: 8,644,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,014.75 : 5,509,135.69 = 5,509,135.69 : x
  2. Step 2: Convert to fraction form
    3,511,014.75/5,509,135.69 = 5,509,135.69/x
  3. Step 3: Cross multiply
    3,511,014.75x = 5,509,135.69 × 5,509,135.69
  4. Step 4: Simplify right side
    3,511,014.75x = 30,350,576,023,286.10
  5. Step 5: Solve for x
    x = 30,350,576,023,286.10/3,511,014.75
  6. Step 6: Final answer
    x = 8,644,388.64

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.