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Finding the Third Proportional to 772,763 and 1,659,790

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Solution

The third proportional to 772,763 and 1,659,790 is: 3,565,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,763 : 1,659,790 = 1,659,790 : x
  2. Step 2: Convert to fraction form
    772,763/1,659,790 = 1,659,790/x
  3. Step 3: Cross multiply
    772,763x = 1,659,790 × 1,659,790
  4. Step 4: Simplify right side
    772,763x = 2,754,902,844,100
  5. Step 5: Solve for x
    x = 2,754,902,844,100/772,763
  6. Step 6: Final answer
    x = 3,565,003.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.