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Finding the Third Proportional to 855,344 and 1,856,392

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Solution

The third proportional to 855,344 and 1,856,392 is: 4,029,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,344 : 1,856,392 = 1,856,392 : x
  2. Step 2: Convert to fraction form
    855,344/1,856,392 = 1,856,392/x
  3. Step 3: Cross multiply
    855,344x = 1,856,392 × 1,856,392
  4. Step 4: Simplify right side
    855,344x = 3,446,191,257,664
  5. Step 5: Solve for x
    x = 3,446,191,257,664/855,344
  6. Step 6: Final answer
    x = 4,029,012.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.