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Finding the Third Proportional to 681,606 and 1,058,370.50

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Solution

The third proportional to 681,606 and 1,058,370.50 is: 1,643,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,606 : 1,058,370.50 = 1,058,370.50 : x
  2. Step 2: Convert to fraction form
    681,606/1,058,370.50 = 1,058,370.50/x
  3. Step 3: Cross multiply
    681,606x = 1,058,370.50 × 1,058,370.50
  4. Step 4: Simplify right side
    681,606x = 1,120,148,115,270.25
  5. Step 5: Solve for x
    x = 1,120,148,115,270.25/681,606
  6. Step 6: Final answer
    x = 1,643,395.33

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.