Finding the Third Proportional to 14,457,021 and 21,202,689
Calculator
Solution
The third proportional to 14,457,021 and 21,202,689 is: 31,095,895.95
Step by Step Solution
- Step 1: Write the proportion equation
14,457,021 : 21,202,689 = 21,202,689 : x - Step 2: Convert to fraction form
14,457,021/21,202,689 = 21,202,689/x - Step 3: Cross multiply
14,457,021x = 21,202,689 × 21,202,689 - Step 4: Simplify right side
14,457,021x = 449,554,020,830,721 - Step 5: Solve for x
x = 449,554,020,830,721/14,457,021 - Step 6: Final answer
x = 31,095,895.95
Related Problems
Find third proportional to 7,228,510.50 and 10,601,344.50
Half scale
Find third proportional to 28,914,042 and 42,405,378
Double scale
Find third proportional to 14,457,023 and 21,202,692
Similar ratio
Find third proportional to 21,685,531.50 and 31,804,033.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.