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Finding the Third Proportional to 684,141,867.75 and 1,493,687,204.25

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Solution

The third proportional to 684,141,867.75 and 1,493,687,204.25 is: 3,261,167,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,141,867.75 : 1,493,687,204.25 = 1,493,687,204.25 : x
  2. Step 2: Convert to fraction form
    684,141,867.75/1,493,687,204.25 = 1,493,687,204.25/x
  3. Step 3: Cross multiply
    684,141,867.75x = 1,493,687,204.25 × 1,493,687,204.25
  4. Step 4: Simplify right side
    684,141,867.75x = 2,231,101,464,140,181,248
  5. Step 5: Solve for x
    x = 2,231,101,464,140,181,248/684,141,867.75
  6. Step 6: Final answer
    x = 3,261,167,850.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.