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Finding the Third Proportional to 1,638,531 and 3,355,794

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Solution

The third proportional to 1,638,531 and 3,355,794 is: 6,872,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,531 : 3,355,794 = 3,355,794 : x
  2. Step 2: Convert to fraction form
    1,638,531/3,355,794 = 3,355,794/x
  3. Step 3: Cross multiply
    1,638,531x = 3,355,794 × 3,355,794
  4. Step 4: Simplify right side
    1,638,531x = 11,261,353,370,436
  5. Step 5: Solve for x
    x = 11,261,353,370,436/1,638,531
  6. Step 6: Final answer
    x = 6,872,835.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.