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Finding the Third Proportional to 368,568 and 774,272

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Solution

The third proportional to 368,568 and 774,272 is: 1,626,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,568 : 774,272 = 774,272 : x
  2. Step 2: Convert to fraction form
    368,568/774,272 = 774,272/x
  3. Step 3: Cross multiply
    368,568x = 774,272 × 774,272
  4. Step 4: Simplify right side
    368,568x = 599,497,129,984
  5. Step 5: Solve for x
    x = 599,497,129,984/368,568
  6. Step 6: Final answer
    x = 1,626,557.73

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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.