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Finding the Third Proportional to 4,280,476.50 and 8,915,249

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Solution

The third proportional to 4,280,476.50 and 8,915,249 is: 18,568,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,476.50 : 8,915,249 = 8,915,249 : x
  2. Step 2: Convert to fraction form
    4,280,476.50/8,915,249 = 8,915,249/x
  3. Step 3: Cross multiply
    4,280,476.50x = 8,915,249 × 8,915,249
  4. Step 4: Simplify right side
    4,280,476.50x = 79,481,664,732,001
  5. Step 5: Solve for x
    x = 79,481,664,732,001/4,280,476.50
  6. Step 6: Final answer
    x = 18,568,415.16

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.