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Finding the Third Proportional to 3,405,558 and 5,122,639

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Solution

The third proportional to 3,405,558 and 5,122,639 is: 7,705,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,558 : 5,122,639 = 5,122,639 : x
  2. Step 2: Convert to fraction form
    3,405,558/5,122,639 = 5,122,639/x
  3. Step 3: Cross multiply
    3,405,558x = 5,122,639 × 5,122,639
  4. Step 4: Simplify right side
    3,405,558x = 26,241,430,324,321
  5. Step 5: Solve for x
    x = 26,241,430,324,321/3,405,558
  6. Step 6: Final answer
    x = 7,705,471.56

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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.