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Finding the Third Proportional to 1,199,823,210 and 1,869,882,975

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Solution

The third proportional to 1,199,823,210 and 1,869,882,975 is: 2,914,147,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,823,210 : 1,869,882,975 = 1,869,882,975 : x
  2. Step 2: Convert to fraction form
    1,199,823,210/1,869,882,975 = 1,869,882,975/x
  3. Step 3: Cross multiply
    1,199,823,210x = 1,869,882,975 × 1,869,882,975
  4. Step 4: Simplify right side
    1,199,823,210x = 3,496,462,340,194,850,816
  5. Step 5: Solve for x
    x = 3,496,462,340,194,850,816/1,199,823,210
  6. Step 6: Final answer
    x = 2,914,147,943.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.