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Finding the Third Proportional to 3,768,940 and 8,255,621

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Solution

The third proportional to 3,768,940 and 8,255,621 is: 18,083,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,940 : 8,255,621 = 8,255,621 : x
  2. Step 2: Convert to fraction form
    3,768,940/8,255,621 = 8,255,621/x
  3. Step 3: Cross multiply
    3,768,940x = 8,255,621 × 8,255,621
  4. Step 4: Simplify right side
    3,768,940x = 68,155,278,095,641
  5. Step 5: Solve for x
    x = 68,155,278,095,641/3,768,940
  6. Step 6: Final answer
    x = 18,083,407.56

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.