Finding the Third Proportional to 638,961,968 and 913,093,272
Calculator
Solution
The third proportional to 638,961,968 and 913,093,272 is: 1,304,834,035.71
Step by Step Solution
- Step 1: Write the proportion equation
638,961,968 : 913,093,272 = 913,093,272 : x - Step 2: Convert to fraction form
638,961,968/913,093,272 = 913,093,272/x - Step 3: Cross multiply
638,961,968x = 913,093,272 × 913,093,272 - Step 4: Simplify right side
638,961,968x = 833,739,323,371,665,920 - Step 5: Solve for x
x = 833,739,323,371,665,920/638,961,968 - Step 6: Final answer
x = 1,304,834,035.71
Related Problems
Find third proportional to 319,480,984 and 456,546,636
Half scale
Find third proportional to 1,277,923,936 and 1,826,186,544
Double scale
Find third proportional to 638,961,970 and 913,093,275
Similar ratio
Find third proportional to 958,442,952 and 1,369,639,908
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.