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Finding the Third Proportional to 5,351,868 and 7,629,180

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Solution

The third proportional to 5,351,868 and 7,629,180 is: 10,875,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351,868 : 7,629,180 = 7,629,180 : x
  2. Step 2: Convert to fraction form
    5,351,868/7,629,180 = 7,629,180/x
  3. Step 3: Cross multiply
    5,351,868x = 7,629,180 × 7,629,180
  4. Step 4: Simplify right side
    5,351,868x = 58,204,387,472,400
  5. Step 5: Solve for x
    x = 58,204,387,472,400/5,351,868
  6. Step 6: Final answer
    x = 10,875,527.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.