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Finding the Third Proportional to 368,822 and 751,172

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Solution

The third proportional to 368,822 and 751,172 is: 1,529,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,822 : 751,172 = 751,172 : x
  2. Step 2: Convert to fraction form
    368,822/751,172 = 751,172/x
  3. Step 3: Cross multiply
    368,822x = 751,172 × 751,172
  4. Step 4: Simplify right side
    368,822x = 564,259,373,584
  5. Step 5: Solve for x
    x = 564,259,373,584/368,822
  6. Step 6: Final answer
    x = 1,529,896.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.