Finding the Third Proportional to 42,393,942 and 91,830,759
Calculator
Solution
The third proportional to 42,393,942 and 91,830,759 is: 198,917,295.74
Step by Step Solution
- Step 1: Write the proportion equation
42,393,942 : 91,830,759 = 91,830,759 : x - Step 2: Convert to fraction form
42,393,942/91,830,759 = 91,830,759/x - Step 3: Cross multiply
42,393,942x = 91,830,759 × 91,830,759 - Step 4: Simplify right side
42,393,942x = 8,432,888,298,516,081 - Step 5: Solve for x
x = 8,432,888,298,516,081/42,393,942 - Step 6: Final answer
x = 198,917,295.74
Related Problems
Find third proportional to 21,196,971 and 45,915,379.50
Half scale
Find third proportional to 84,787,884 and 183,661,518
Double scale
Find third proportional to 42,393,944 and 91,830,763
Similar ratio
Find third proportional to 63,590,913 and 137,746,138.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.