Finding the Third Proportional to 331,906,181 and 479,505,831
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Solution
The third proportional to 331,906,181 and 479,505,831 is: 692,743,477.30
Step by Step Solution
- Step 1: Write the proportion equation
331,906,181 : 479,505,831 = 479,505,831 : x - Step 2: Convert to fraction form
331,906,181/479,505,831 = 479,505,831/x - Step 3: Cross multiply
331,906,181x = 479,505,831 × 479,505,831 - Step 4: Simplify right side
331,906,181x = 229,925,841,963,000,576 - Step 5: Solve for x
x = 229,925,841,963,000,576/331,906,181 - Step 6: Final answer
x = 692,743,477.30
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.