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Finding the Third Proportional to 388,171 and 844,686

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Solution

The third proportional to 388,171 and 844,686 is: 1,838,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,171 : 844,686 = 844,686 : x
  2. Step 2: Convert to fraction form
    388,171/844,686 = 844,686/x
  3. Step 3: Cross multiply
    388,171x = 844,686 × 844,686
  4. Step 4: Simplify right side
    388,171x = 713,494,438,596
  5. Step 5: Solve for x
    x = 713,494,438,596/388,171
  6. Step 6: Final answer
    x = 1,838,093.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.