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Finding the Third Proportional to 1,605,755 and 2,187,137

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Solution

The third proportional to 1,605,755 and 2,187,137 is: 2,979,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,755 : 2,187,137 = 2,187,137 : x
  2. Step 2: Convert to fraction form
    1,605,755/2,187,137 = 2,187,137/x
  3. Step 3: Cross multiply
    1,605,755x = 2,187,137 × 2,187,137
  4. Step 4: Simplify right side
    1,605,755x = 4,783,568,256,769
  5. Step 5: Solve for x
    x = 4,783,568,256,769/1,605,755
  6. Step 6: Final answer
    x = 2,979,015.02

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.