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Finding the Third Proportional to 485,009 and 1,058,122

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Solution

The third proportional to 485,009 and 1,058,122 is: 2,308,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,009 : 1,058,122 = 1,058,122 : x
  2. Step 2: Convert to fraction form
    485,009/1,058,122 = 1,058,122/x
  3. Step 3: Cross multiply
    485,009x = 1,058,122 × 1,058,122
  4. Step 4: Simplify right side
    485,009x = 1,119,622,166,884
  5. Step 5: Solve for x
    x = 1,119,622,166,884/485,009
  6. Step 6: Final answer
    x = 2,308,456.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.