Finding the Third Proportional to 189,685.13 and 396,905.06
Calculator
Solution
The third proportional to 189,685.13 and 396,905.06 is: 830,500.70
Step by Step Solution
- Step 1: Write the proportion equation
189,685.13 : 396,905.06 = 396,905.06 : x - Step 2: Convert to fraction form
189,685.13/396,905.06 = 396,905.06/x - Step 3: Cross multiply
189,685.13x = 396,905.06 × 396,905.06 - Step 4: Simplify right side
189,685.13x = 157,533,628,638.13 - Step 5: Solve for x
x = 157,533,628,638.13/189,685.13 - Step 6: Final answer
x = 830,500.70
Related Problems
Find third proportional to 94,842.56 and 198,452.53
Half scale
Find third proportional to 379,370.25 and 793,810.13
Double scale
Find third proportional to 189,687 and 396,909
Similar ratio
Find third proportional to 284,527.69 and 595,357.59
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.