Finding the Third Proportional to 421,072 and 935,456
Calculator
Solution
The third proportional to 421,072 and 935,456 is: 2,078,214.48
Step by Step Solution
- Step 1: Write the proportion equation
421,072 : 935,456 = 935,456 : x - Step 2: Convert to fraction form
421,072/935,456 = 935,456/x - Step 3: Cross multiply
421,072x = 935,456 × 935,456 - Step 4: Simplify right side
421,072x = 875,077,927,936 - Step 5: Solve for x
x = 875,077,927,936/421,072 - Step 6: Final answer
x = 2,078,214.48
Related Problems
Find third proportional to 210,536 and 467,728
Half scale
Find third proportional to 842,144 and 1,870,912
Double scale
Find third proportional to 421,074 and 935,460
Similar ratio
Find third proportional to 631,608 and 1,403,184
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.