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Finding the Third Proportional to 1,189,011,012 and 2,486,435,988

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Solution

The third proportional to 1,189,011,012 and 2,486,435,988 is: 5,199,585,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,011,012 : 2,486,435,988 = 2,486,435,988 : x
  2. Step 2: Convert to fraction form
    1,189,011,012/2,486,435,988 = 2,486,435,988/x
  3. Step 3: Cross multiply
    1,189,011,012x = 2,486,435,988 × 2,486,435,988
  4. Step 4: Simplify right side
    1,189,011,012x = 6,182,363,922,421,535,744
  5. Step 5: Solve for x
    x = 6,182,363,922,421,535,744/1,189,011,012
  6. Step 6: Final answer
    x = 5,199,585,083.76

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.