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Finding the Third Proportional to 57,888,949 and 86,961,910

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Solution

The third proportional to 57,888,949 and 86,961,910 is: 130,635,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888,949 : 86,961,910 = 86,961,910 : x
  2. Step 2: Convert to fraction form
    57,888,949/86,961,910 = 86,961,910/x
  3. Step 3: Cross multiply
    57,888,949x = 86,961,910 × 86,961,910
  4. Step 4: Simplify right side
    57,888,949x = 7,562,373,790,848,100
  5. Step 5: Solve for x
    x = 7,562,373,790,848,100/57,888,949
  6. Step 6: Final answer
    x = 130,635,879.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.