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Finding the Third Proportional to 86,813,626,876 and 188,052,991,879

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Solution

The third proportional to 86,813,626,876 and 188,052,991,879 is: 407,354,571,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813,626,876 : 188,052,991,879 = 188,052,991,879 : x
  2. Step 2: Convert to fraction form
    86,813,626,876/188,052,991,879 = 188,052,991,879/x
  3. Step 3: Cross multiply
    86,813,626,876x = 188,052,991,879 × 188,052,991,879
  4. Step 4: Simplify right side
    86,813,626,876x = 35,363,927,754,643,240,648,704
  5. Step 5: Solve for x
    x = 35,363,927,754,643,240,648,704/86,813,626,876
  6. Step 6: Final answer
    x = 407,354,571,249.00

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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.