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Finding the Third Proportional to 858,590,512 and 1,853,151,187

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Solution

The third proportional to 858,590,512 and 1,853,151,187 is: 3,999,775,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,590,512 : 1,853,151,187 = 1,853,151,187 : x
  2. Step 2: Convert to fraction form
    858,590,512/1,853,151,187 = 1,853,151,187/x
  3. Step 3: Cross multiply
    858,590,512x = 1,853,151,187 × 1,853,151,187
  4. Step 4: Simplify right side
    858,590,512x = 3,434,169,321,879,508,992
  5. Step 5: Solve for x
    x = 3,434,169,321,879,508,992/858,590,512
  6. Step 6: Final answer
    x = 3,999,775,531.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.