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Finding the Third Proportional to 906,287,907 and 1,399,467,075

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Solution

The third proportional to 906,287,907 and 1,399,467,075 is: 2,161,021,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,287,907 : 1,399,467,075 = 1,399,467,075 : x
  2. Step 2: Convert to fraction form
    906,287,907/1,399,467,075 = 1,399,467,075/x
  3. Step 3: Cross multiply
    906,287,907x = 1,399,467,075 × 1,399,467,075
  4. Step 4: Simplify right side
    906,287,907x = 1,958,508,094,009,055,744
  5. Step 5: Solve for x
    x = 1,958,508,094,009,055,744/906,287,907
  6. Step 6: Final answer
    x = 2,161,021,987.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.