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Finding the Third Proportional to 185,544 and 400,644

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Solution

The third proportional to 185,544 and 400,644 is: 865,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,544 : 400,644 = 400,644 : x
  2. Step 2: Convert to fraction form
    185,544/400,644 = 400,644/x
  3. Step 3: Cross multiply
    185,544x = 400,644 × 400,644
  4. Step 4: Simplify right side
    185,544x = 160,515,614,736
  5. Step 5: Solve for x
    x = 160,515,614,736/185,544
  6. Step 6: Final answer
    x = 865,108.09

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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.