Finding the Third Proportional to 386,720,396.63 and 613,362,543.19
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Solution
The third proportional to 386,720,396.63 and 613,362,543.19 is: 972,831,049.69
Step by Step Solution
- Step 1: Write the proportion equation
386,720,396.63 : 613,362,543.19 = 613,362,543.19 : x - Step 2: Convert to fraction form
386,720,396.63/613,362,543.19 = 613,362,543.19/x - Step 3: Cross multiply
386,720,396.63x = 613,362,543.19 × 613,362,543.19 - Step 4: Simplify right side
386,720,396.63x = 376,213,609,385,437,824 - Step 5: Solve for x
x = 376,213,609,385,437,824/386,720,396.63 - Step 6: Final answer
x = 972,831,049.69
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.