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Finding the Third Proportional to 743,754 and 1,629,990

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Solution

The third proportional to 743,754 and 1,629,990 is: 3,572,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,754 : 1,629,990 = 1,629,990 : x
  2. Step 2: Convert to fraction form
    743,754/1,629,990 = 1,629,990/x
  3. Step 3: Cross multiply
    743,754x = 1,629,990 × 1,629,990
  4. Step 4: Simplify right side
    743,754x = 2,656,867,400,100
  5. Step 5: Solve for x
    x = 2,656,867,400,100/743,754
  6. Step 6: Final answer
    x = 3,572,239.48

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.