Finding the Third Proportional to 419,414,918 and 629,122,431
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Solution
The third proportional to 419,414,918 and 629,122,431 is: 943,683,727.50
Step by Step Solution
- Step 1: Write the proportion equation
419,414,918 : 629,122,431 = 629,122,431 : x - Step 2: Convert to fraction form
419,414,918/629,122,431 = 629,122,431/x - Step 3: Cross multiply
419,414,918x = 629,122,431 × 629,122,431 - Step 4: Simplify right side
419,414,918x = 395,795,033,187,349,760 - Step 5: Solve for x
x = 395,795,033,187,349,760/419,414,918 - Step 6: Final answer
x = 943,683,727.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.