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Finding the Third Proportional to 394,335 and 855,100.13

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Solution

The third proportional to 394,335 and 855,100.13 is: 1,854,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,335 : 855,100.13 = 855,100.13 : x
  2. Step 2: Convert to fraction form
    394,335/855,100.13 = 855,100.13/x
  3. Step 3: Cross multiply
    394,335x = 855,100.13 × 855,100.13
  4. Step 4: Simplify right side
    394,335x = 731,196,223,775.02
  5. Step 5: Solve for x
    x = 731,196,223,775.02/394,335
  6. Step 6: Final answer
    x = 1,854,251.39

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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.