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Finding the Third Proportional to 3,920,652 and 8,492,895

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Solution

The third proportional to 3,920,652 and 8,492,895 is: 18,397,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,652 : 8,492,895 = 8,492,895 : x
  2. Step 2: Convert to fraction form
    3,920,652/8,492,895 = 8,492,895/x
  3. Step 3: Cross multiply
    3,920,652x = 8,492,895 × 8,492,895
  4. Step 4: Simplify right side
    3,920,652x = 72,129,265,481,025
  5. Step 5: Solve for x
    x = 72,129,265,481,025/3,920,652
  6. Step 6: Final answer
    x = 18,397,262.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.