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Finding the Third Proportional to 404,872 and 865,794

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Solution

The third proportional to 404,872 and 865,794 is: 1,851,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,872 : 865,794 = 865,794 : x
  2. Step 2: Convert to fraction form
    404,872/865,794 = 865,794/x
  3. Step 3: Cross multiply
    404,872x = 865,794 × 865,794
  4. Step 4: Simplify right side
    404,872x = 749,599,250,436
  5. Step 5: Solve for x
    x = 749,599,250,436/404,872
  6. Step 6: Final answer
    x = 1,851,447.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.