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Finding the Third Proportional to 4,489,220 and 9,608,728

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Solution

The third proportional to 4,489,220 and 9,608,728 is: 20,566,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489,220 : 9,608,728 = 9,608,728 : x
  2. Step 2: Convert to fraction form
    4,489,220/9,608,728 = 9,608,728/x
  3. Step 3: Cross multiply
    4,489,220x = 9,608,728 × 9,608,728
  4. Step 4: Simplify right side
    4,489,220x = 92,327,653,777,984
  5. Step 5: Solve for x
    x = 92,327,653,777,984/4,489,220
  6. Step 6: Final answer
    x = 20,566,524.65

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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.