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Finding the Third Proportional to 57,089,138 and 86,972,079

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Solution

The third proportional to 57,089,138 and 86,972,079 is: 132,497,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089,138 : 86,972,079 = 86,972,079 : x
  2. Step 2: Convert to fraction form
    57,089,138/86,972,079 = 86,972,079/x
  3. Step 3: Cross multiply
    57,089,138x = 86,972,079 × 86,972,079
  4. Step 4: Simplify right side
    57,089,138x = 7,564,142,525,582,241
  5. Step 5: Solve for x
    x = 7,564,142,525,582,241/57,089,138
  6. Step 6: Final answer
    x = 132,497,052.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.