Home / 870,120,736.31-1,380,065,505.75

Finding the Third Proportional to 870,120,736.31 and 1,380,065,505.75

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Solution

The third proportional to 870,120,736.31 and 1,380,065,505.75 is: 2,188,869,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,120,736.31 : 1,380,065,505.75 = 1,380,065,505.75 : x
  2. Step 2: Convert to fraction form
    870,120,736.31/1,380,065,505.75 = 1,380,065,505.75/x
  3. Step 3: Cross multiply
    870,120,736.31x = 1,380,065,505.75 × 1,380,065,505.75
  4. Step 4: Simplify right side
    870,120,736.31x = 1,904,580,800,161,003,264
  5. Step 5: Solve for x
    x = 1,904,580,800,161,003,264/870,120,736.31
  6. Step 6: Final answer
    x = 2,188,869,567.95

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.