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Finding the Third Proportional to 855,393 and 1,195,866

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Solution

The third proportional to 855,393 and 1,195,866 is: 1,671,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,393 : 1,195,866 = 1,195,866 : x
  2. Step 2: Convert to fraction form
    855,393/1,195,866 = 1,195,866/x
  3. Step 3: Cross multiply
    855,393x = 1,195,866 × 1,195,866
  4. Step 4: Simplify right side
    855,393x = 1,430,095,489,956
  5. Step 5: Solve for x
    x = 1,430,095,489,956/855,393
  6. Step 6: Final answer
    x = 1,671,857.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.