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Finding the Third Proportional to 185,784 and 395,544

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Solution

The third proportional to 185,784 and 395,544 is: 842,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,784 : 395,544 = 395,544 : x
  2. Step 2: Convert to fraction form
    185,784/395,544 = 395,544/x
  3. Step 3: Cross multiply
    185,784x = 395,544 × 395,544
  4. Step 4: Simplify right side
    185,784x = 156,455,055,936
  5. Step 5: Solve for x
    x = 156,455,055,936/185,784
  6. Step 6: Final answer
    x = 842,134.18

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.