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Finding the Third Proportional to 2,855,115 and 6,180,678

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Solution

The third proportional to 2,855,115 and 6,180,678 is: 13,379,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,115 : 6,180,678 = 6,180,678 : x
  2. Step 2: Convert to fraction form
    2,855,115/6,180,678 = 6,180,678/x
  3. Step 3: Cross multiply
    2,855,115x = 6,180,678 × 6,180,678
  4. Step 4: Simplify right side
    2,855,115x = 38,200,780,539,684
  5. Step 5: Solve for x
    x = 38,200,780,539,684/2,855,115
  6. Step 6: Final answer
    x = 13,379,769.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.