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Finding the Third Proportional to 379,838.25 and 887,387.63

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Solution

The third proportional to 379,838.25 and 887,387.63 is: 2,073,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,838.25 : 887,387.63 = 887,387.63 : x
  2. Step 2: Convert to fraction form
    379,838.25/887,387.63 = 887,387.63/x
  3. Step 3: Cross multiply
    379,838.25x = 887,387.63 × 887,387.63
  4. Step 4: Simplify right side
    379,838.25x = 787,456,797,003.14
  5. Step 5: Solve for x
    x = 787,456,797,003.14/379,838.25
  6. Step 6: Final answer
    x = 2,073,137.18

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.