Finding the Third Proportional to 4,045,203 and 8,690,728.50
Calculator
Solution
The third proportional to 4,045,203 and 8,690,728.50 is: 18,671,191.99
Step by Step Solution
- Step 1: Write the proportion equation
4,045,203 : 8,690,728.50 = 8,690,728.50 : x - Step 2: Convert to fraction form
4,045,203/8,690,728.50 = 8,690,728.50/x - Step 3: Cross multiply
4,045,203x = 8,690,728.50 × 8,690,728.50 - Step 4: Simplify right side
4,045,203x = 75,528,761,860,712.25 - Step 5: Solve for x
x = 75,528,761,860,712.25/4,045,203 - Step 6: Final answer
x = 18,671,191.99
Related Problems
Find third proportional to 2,022,601.50 and 4,345,364.25
Half scale
Find third proportional to 8,090,406 and 17,381,457
Double scale
Find third proportional to 4,045,205 and 8,690,733
Similar ratio
Find third proportional to 6,067,804.50 and 13,036,092.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.