Finding the Third Proportional to 379,987,728 and 829,936,128
Calculator
Solution
The third proportional to 379,987,728 and 829,936,128 is: 1,812,674,267.63
Step by Step Solution
- Step 1: Write the proportion equation
379,987,728 : 829,936,128 = 829,936,128 : x - Step 2: Convert to fraction form
379,987,728/829,936,128 = 829,936,128/x - Step 3: Cross multiply
379,987,728x = 829,936,128 × 829,936,128 - Step 4: Simplify right side
379,987,728x = 688,793,976,559,632,384 - Step 5: Solve for x
x = 688,793,976,559,632,384/379,987,728 - Step 6: Final answer
x = 1,812,674,267.63
Related Problems
Find third proportional to 189,993,864 and 414,968,064
Half scale
Find third proportional to 759,975,456 and 1,659,872,256
Double scale
Find third proportional to 379,987,730 and 829,936,132
Similar ratio
Find third proportional to 569,981,592 and 1,244,904,192
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.