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Finding the Third Proportional to 19,792,852 and 30,647,021

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Solution

The third proportional to 19,792,852 and 30,647,021 is: 47,453,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792,852 : 30,647,021 = 30,647,021 : x
  2. Step 2: Convert to fraction form
    19,792,852/30,647,021 = 30,647,021/x
  3. Step 3: Cross multiply
    19,792,852x = 30,647,021 × 30,647,021
  4. Step 4: Simplify right side
    19,792,852x = 939,239,896,174,441
  5. Step 5: Solve for x
    x = 939,239,896,174,441/19,792,852
  6. Step 6: Final answer
    x = 47,453,489.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.