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Finding the Third Proportional to 789,141,408 and 1,694,637,072

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Solution

The third proportional to 789,141,408 and 1,694,637,072 is: 3,639,138,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,141,408 : 1,694,637,072 = 1,694,637,072 : x
  2. Step 2: Convert to fraction form
    789,141,408/1,694,637,072 = 1,694,637,072/x
  3. Step 3: Cross multiply
    789,141,408x = 1,694,637,072 × 1,694,637,072
  4. Step 4: Simplify right side
    789,141,408x = 2,871,794,805,796,732,928
  5. Step 5: Solve for x
    x = 2,871,794,805,796,732,928/789,141,408
  6. Step 6: Final answer
    x = 3,639,138,406.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.