Finding the Third Proportional to 154,815.68 and 239,268.62
Calculator
Solution
The third proportional to 154,815.68 and 239,268.62 is: 369,791.18
Step by Step Solution
- Step 1: Write the proportion equation
154,815.68 : 239,268.62 = 239,268.62 : x - Step 2: Convert to fraction form
154,815.68/239,268.62 = 239,268.62/x - Step 3: Cross multiply
154,815.68x = 239,268.62 × 239,268.62 - Step 4: Simplify right side
154,815.68x = 57,249,473,040.10 - Step 5: Solve for x
x = 57,249,473,040.10/154,815.68 - Step 6: Final answer
x = 369,791.18
Related Problems
Find third proportional to 77,407.84 and 119,634.31
Half scale
Find third proportional to 309,631.36 and 478,537.24
Double scale
Find third proportional to 154,818 and 239,272
Similar ratio
Find third proportional to 232,223.52 and 358,902.93
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.