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Finding the Third Proportional to 775,512 and 1,621,652

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Solution

The third proportional to 775,512 and 1,621,652 is: 3,390,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,512 : 1,621,652 = 1,621,652 : x
  2. Step 2: Convert to fraction form
    775,512/1,621,652 = 1,621,652/x
  3. Step 3: Cross multiply
    775,512x = 1,621,652 × 1,621,652
  4. Step 4: Simplify right side
    775,512x = 2,629,755,209,104
  5. Step 5: Solve for x
    x = 2,629,755,209,104/775,512
  6. Step 6: Final answer
    x = 3,390,992.29

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.