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Finding the Third Proportional to 38,621,856 and 80,418,432

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Solution

The third proportional to 38,621,856 and 80,418,432 is: 167,447,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621,856 : 80,418,432 = 80,418,432 : x
  2. Step 2: Convert to fraction form
    38,621,856/80,418,432 = 80,418,432/x
  3. Step 3: Cross multiply
    38,621,856x = 80,418,432 × 80,418,432
  4. Step 4: Simplify right side
    38,621,856x = 6,467,124,205,338,624
  5. Step 5: Solve for x
    x = 6,467,124,205,338,624/38,621,856
  6. Step 6: Final answer
    x = 167,447,266.27

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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.