Finding the Third Proportional to 308,427.75 and 471,389.63
Calculator
Solution
The third proportional to 308,427.75 and 471,389.63 is: 720,454.56
Step by Step Solution
- Step 1: Write the proportion equation
308,427.75 : 471,389.63 = 471,389.63 : x - Step 2: Convert to fraction form
308,427.75/471,389.63 = 471,389.63/x - Step 3: Cross multiply
308,427.75x = 471,389.63 × 471,389.63 - Step 4: Simplify right side
308,427.75x = 222,208,178,557.64 - Step 5: Solve for x
x = 222,208,178,557.64/308,427.75 - Step 6: Final answer
x = 720,454.56
Related Problems
Find third proportional to 154,213.88 and 235,694.81
Half scale
Find third proportional to 616,855.50 and 942,779.25
Double scale
Find third proportional to 308,430 and 471,393
Similar ratio
Find third proportional to 462,641.63 and 707,084.44
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.