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Finding the Third Proportional to 1,627,289,109 and 3,531,990,399.75

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Solution

The third proportional to 1,627,289,109 and 3,531,990,399.75 is: 7,666,097,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,289,109 : 3,531,990,399.75 = 3,531,990,399.75 : x
  2. Step 2: Convert to fraction form
    1,627,289,109/3,531,990,399.75 = 3,531,990,399.75/x
  3. Step 3: Cross multiply
    1,627,289,109x = 3,531,990,399.75 × 3,531,990,399.75
  4. Step 4: Simplify right side
    1,627,289,109x = 12,474,956,183,926,165,504
  5. Step 5: Solve for x
    x = 12,474,956,183,926,165,504/1,627,289,109
  6. Step 6: Final answer
    x = 7,666,097,016.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.