Finding the Third Proportional to 148,678.31 and 239,394.94
Calculator
Solution
The third proportional to 148,678.31 and 239,394.94 is: 385,462.65
Step by Step Solution
- Step 1: Write the proportion equation
148,678.31 : 239,394.94 = 239,394.94 : x - Step 2: Convert to fraction form
148,678.31/239,394.94 = 239,394.94/x - Step 3: Cross multiply
148,678.31x = 239,394.94 × 239,394.94 - Step 4: Simplify right side
148,678.31x = 57,309,936,100.63 - Step 5: Solve for x
x = 57,309,936,100.63/148,678.31 - Step 6: Final answer
x = 385,462.65
Related Problems
Find third proportional to 74,339.16 and 119,697.47
Half scale
Find third proportional to 297,356.63 and 478,789.88
Double scale
Find third proportional to 148,680 and 239,398
Similar ratio
Find third proportional to 223,017.47 and 359,092.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.