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Finding the Third Proportional to 1,821,879 and 2,895,021

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Solution

The third proportional to 1,821,879 and 2,895,021 is: 4,600,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,879 : 2,895,021 = 2,895,021 : x
  2. Step 2: Convert to fraction form
    1,821,879/2,895,021 = 2,895,021/x
  3. Step 3: Cross multiply
    1,821,879x = 2,895,021 × 2,895,021
  4. Step 4: Simplify right side
    1,821,879x = 8,381,146,590,441
  5. Step 5: Solve for x
    x = 8,381,146,590,441/1,821,879
  6. Step 6: Final answer
    x = 4,600,276.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.