Finding the Third Proportional to 638,302.50 and 1,377,474.75
Calculator
Solution
The third proportional to 638,302.50 and 1,377,474.75 is: 2,972,629.26
Step by Step Solution
- Step 1: Write the proportion equation
638,302.50 : 1,377,474.75 = 1,377,474.75 : x - Step 2: Convert to fraction form
638,302.50/1,377,474.75 = 1,377,474.75/x - Step 3: Cross multiply
638,302.50x = 1,377,474.75 × 1,377,474.75 - Step 4: Simplify right side
638,302.50x = 1,897,436,686,887.56 - Step 5: Solve for x
x = 1,897,436,686,887.56/638,302.50 - Step 6: Final answer
x = 2,972,629.26
Related Problems
Find third proportional to 319,151.25 and 688,737.38
Half scale
Find third proportional to 1,276,605 and 2,754,949.50
Double scale
Find third proportional to 638,305 and 1,377,479
Similar ratio
Find third proportional to 957,453.75 and 2,066,212.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.