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Finding the Third Proportional to 184,592 and 398,816

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Solution

The third proportional to 184,592 and 398,816 is: 861,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,592 : 398,816 = 398,816 : x
  2. Step 2: Convert to fraction form
    184,592/398,816 = 398,816/x
  3. Step 3: Cross multiply
    184,592x = 398,816 × 398,816
  4. Step 4: Simplify right side
    184,592x = 159,054,201,856
  5. Step 5: Solve for x
    x = 159,054,201,856/184,592
  6. Step 6: Final answer
    x = 861,652.74

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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.