Finding the Third Proportional to 378,611,512 and 581,593,638
Calculator
Solution
The third proportional to 378,611,512 and 581,593,638 is: 893,399,035.80
Step by Step Solution
- Step 1: Write the proportion equation
378,611,512 : 581,593,638 = 581,593,638 : x - Step 2: Convert to fraction form
378,611,512/581,593,638 = 581,593,638/x - Step 3: Cross multiply
378,611,512x = 581,593,638 × 581,593,638 - Step 4: Simplify right side
378,611,512x = 338,251,159,762,075,072 - Step 5: Solve for x
x = 338,251,159,762,075,072/378,611,512 - Step 6: Final answer
x = 893,399,035.80
Related Problems
Find third proportional to 189,305,756 and 290,796,819
Half scale
Find third proportional to 757,223,024 and 1,163,187,276
Double scale
Find third proportional to 378,611,514 and 581,593,641
Similar ratio
Find third proportional to 567,917,268 and 872,390,457
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.