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Finding the Third Proportional to 818,586 and 1,722,003

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Solution

The third proportional to 818,586 and 1,722,003 is: 3,622,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,586 : 1,722,003 = 1,722,003 : x
  2. Step 2: Convert to fraction form
    818,586/1,722,003 = 1,722,003/x
  3. Step 3: Cross multiply
    818,586x = 1,722,003 × 1,722,003
  4. Step 4: Simplify right side
    818,586x = 2,965,294,332,009
  5. Step 5: Solve for x
    x = 2,965,294,332,009/818,586
  6. Step 6: Final answer
    x = 3,622,459.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.