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Finding the Third Proportional to 5,543,515 and 8,292,672

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Solution

The third proportional to 5,543,515 and 8,292,672 is: 12,405,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543,515 : 8,292,672 = 8,292,672 : x
  2. Step 2: Convert to fraction form
    5,543,515/8,292,672 = 8,292,672/x
  3. Step 3: Cross multiply
    5,543,515x = 8,292,672 × 8,292,672
  4. Step 4: Simplify right side
    5,543,515x = 68,768,408,899,584
  5. Step 5: Solve for x
    x = 68,768,408,899,584/5,543,515
  6. Step 6: Final answer
    x = 12,405,199.39

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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.