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Finding the Third Proportional to 4,638,806 and 9,408,044

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Solution

The third proportional to 4,638,806 and 9,408,044 is: 19,080,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638,806 : 9,408,044 = 9,408,044 : x
  2. Step 2: Convert to fraction form
    4,638,806/9,408,044 = 9,408,044/x
  3. Step 3: Cross multiply
    4,638,806x = 9,408,044 × 9,408,044
  4. Step 4: Simplify right side
    4,638,806x = 88,511,291,905,936
  5. Step 5: Solve for x
    x = 88,511,291,905,936/4,638,806
  6. Step 6: Final answer
    x = 19,080,619.43

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.