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Finding the Third Proportional to 39,388,048 and 81,907,232

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Solution

The third proportional to 39,388,048 and 81,907,232 is: 170,325,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388,048 : 81,907,232 = 81,907,232 : x
  2. Step 2: Convert to fraction form
    39,388,048/81,907,232 = 81,907,232/x
  3. Step 3: Cross multiply
    39,388,048x = 81,907,232 × 81,907,232
  4. Step 4: Simplify right side
    39,388,048x = 6,708,794,653,901,824
  5. Step 5: Solve for x
    x = 6,708,794,653,901,824/39,388,048
  6. Step 6: Final answer
    x = 170,325,644.31

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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.