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Finding the Third Proportional to 3,276,679.31 and 4,915,019.44

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Solution

The third proportional to 3,276,679.31 and 4,915,019.44 is: 7,372,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,679.31 : 4,915,019.44 = 4,915,019.44 : x
  2. Step 2: Convert to fraction form
    3,276,679.31/4,915,019.44 = 4,915,019.44/x
  3. Step 3: Cross multiply
    3,276,679.31x = 4,915,019.44 × 4,915,019.44
  4. Step 4: Simplify right side
    3,276,679.31x = 24,157,416,071,002.82
  5. Step 5: Solve for x
    x = 24,157,416,071,002.82/3,276,679.31
  6. Step 6: Final answer
    x = 7,372,529.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.