Finding the Third Proportional to 85,619.06 and 136,731.09
Calculator
Solution
The third proportional to 85,619.06 and 136,731.09 is: 218,355.49
Step by Step Solution
- Step 1: Write the proportion equation
85,619.06 : 136,731.09 = 136,731.09 : x - Step 2: Convert to fraction form
85,619.06/136,731.09 = 136,731.09/x - Step 3: Cross multiply
85,619.06x = 136,731.09 × 136,731.09 - Step 4: Simplify right side
85,619.06x = 18,695,391,998.07 - Step 5: Solve for x
x = 18,695,391,998.07/85,619.06 - Step 6: Final answer
x = 218,355.49
Related Problems
Find third proportional to 42,809.53 and 68,365.55
Half scale
Find third proportional to 171,238.13 and 273,462.19
Double scale
Find third proportional to 85,621 and 136,734
Similar ratio
Find third proportional to 128,428.59 and 205,096.64
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.