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Finding the Third Proportional to 38,621,862 and 80,418,444

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Solution

The third proportional to 38,621,862 and 80,418,444 is: 167,447,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621,862 : 80,418,444 = 80,418,444 : x
  2. Step 2: Convert to fraction form
    38,621,862/80,418,444 = 80,418,444/x
  3. Step 3: Cross multiply
    38,621,862x = 80,418,444 × 80,418,444
  4. Step 4: Simplify right side
    38,621,862x = 6,467,126,135,381,136
  5. Step 5: Solve for x
    x = 6,467,126,135,381,136/38,621,862
  6. Step 6: Final answer
    x = 167,447,290.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.