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Finding the Third Proportional to 769,881,066 and 1,659,947,988

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Solution

The third proportional to 769,881,066 and 1,659,947,988 is: 3,579,029,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,881,066 : 1,659,947,988 = 1,659,947,988 : x
  2. Step 2: Convert to fraction form
    769,881,066/1,659,947,988 = 1,659,947,988/x
  3. Step 3: Cross multiply
    769,881,066x = 1,659,947,988 × 1,659,947,988
  4. Step 4: Simplify right side
    769,881,066x = 2,755,427,322,865,248,256
  5. Step 5: Solve for x
    x = 2,755,427,322,865,248,256/769,881,066
  6. Step 6: Final answer
    x = 3,579,029,858.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.