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Finding the Third Proportional to 21,353,220 and 50,385,744

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Solution

The third proportional to 21,353,220 and 50,385,744 is: 118,891,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,220 : 50,385,744 = 50,385,744 : x
  2. Step 2: Convert to fraction form
    21,353,220/50,385,744 = 50,385,744/x
  3. Step 3: Cross multiply
    21,353,220x = 50,385,744 × 50,385,744
  4. Step 4: Simplify right side
    21,353,220x = 2,538,723,198,433,536
  5. Step 5: Solve for x
    x = 2,538,723,198,433,536/21,353,220
  6. Step 6: Final answer
    x = 118,891,820.46

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.