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Finding the Third Proportional to 3,920,041 and 8,440,656

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Solution

The third proportional to 3,920,041 and 8,440,656 is: 18,174,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,041 : 8,440,656 = 8,440,656 : x
  2. Step 2: Convert to fraction form
    3,920,041/8,440,656 = 8,440,656/x
  3. Step 3: Cross multiply
    3,920,041x = 8,440,656 × 8,440,656
  4. Step 4: Simplify right side
    3,920,041x = 71,244,673,710,336
  5. Step 5: Solve for x
    x = 71,244,673,710,336/3,920,041
  6. Step 6: Final answer
    x = 18,174,471.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.