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Finding the Third Proportional to 82,642,847 and 180,166,063

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Solution

The third proportional to 82,642,847 and 180,166,063 is: 392,772,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,642,847 : 180,166,063 = 180,166,063 : x
  2. Step 2: Convert to fraction form
    82,642,847/180,166,063 = 180,166,063/x
  3. Step 3: Cross multiply
    82,642,847x = 180,166,063 × 180,166,063
  4. Step 4: Simplify right side
    82,642,847x = 32,459,810,256,919,968
  5. Step 5: Solve for x
    x = 32,459,810,256,919,968/82,642,847
  6. Step 6: Final answer
    x = 392,772,168.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.