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Finding the Third Proportional to 184,728 and 398,301

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Solution

The third proportional to 184,728 and 398,301 is: 858,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,728 : 398,301 = 398,301 : x
  2. Step 2: Convert to fraction form
    184,728/398,301 = 398,301/x
  3. Step 3: Cross multiply
    184,728x = 398,301 × 398,301
  4. Step 4: Simplify right side
    184,728x = 158,643,686,601
  5. Step 5: Solve for x
    x = 158,643,686,601/184,728
  6. Step 6: Final answer
    x = 858,796.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.