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Finding the Third Proportional to 179,645,629 and 389,782,777

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Solution

The third proportional to 179,645,629 and 389,782,777 is: 845,723,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,645,629 : 389,782,777 = 389,782,777 : x
  2. Step 2: Convert to fraction form
    179,645,629/389,782,777 = 389,782,777/x
  3. Step 3: Cross multiply
    179,645,629x = 389,782,777 × 389,782,777
  4. Step 4: Simplify right side
    179,645,629x = 151,930,613,245,831,744
  5. Step 5: Solve for x
    x = 151,930,613,245,831,744/179,645,629
  6. Step 6: Final answer
    x = 845,723,962.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.