Finding the Third Proportional to 628,632 and 1,356,840
Calculator
Solution
The third proportional to 628,632 and 1,356,840 is: 2,928,604.95
Step by Step Solution
- Step 1: Write the proportion equation
628,632 : 1,356,840 = 1,356,840 : x - Step 2: Convert to fraction form
628,632/1,356,840 = 1,356,840/x - Step 3: Cross multiply
628,632x = 1,356,840 × 1,356,840 - Step 4: Simplify right side
628,632x = 1,841,014,785,600 - Step 5: Solve for x
x = 1,841,014,785,600/628,632 - Step 6: Final answer
x = 2,928,604.95
Related Problems
Find third proportional to 314,316 and 678,420
Half scale
Find third proportional to 1,257,264 and 2,713,680
Double scale
Find third proportional to 628,634 and 1,356,844
Similar ratio
Find third proportional to 942,948 and 2,035,260
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.