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Finding the Third Proportional to 81,591,113.25 and 167,964,921

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Solution

The third proportional to 81,591,113.25 and 167,964,921 is: 345,775,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,591,113.25 : 167,964,921 = 167,964,921 : x
  2. Step 2: Convert to fraction form
    81,591,113.25/167,964,921 = 167,964,921/x
  3. Step 3: Cross multiply
    81,591,113.25x = 167,964,921 × 167,964,921
  4. Step 4: Simplify right side
    81,591,113.25x = 28,212,214,686,536,240
  5. Step 5: Solve for x
    x = 28,212,214,686,536,240/81,591,113.25
  6. Step 6: Final answer
    x = 345,775,582.20

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.