Finding the Third Proportional to 285,218.63 and 438,439.88
Calculator
Solution
The third proportional to 285,218.63 and 438,439.88 is: 673,972.55
Step by Step Solution
- Step 1: Write the proportion equation
285,218.63 : 438,439.88 = 438,439.88 : x - Step 2: Convert to fraction form
285,218.63/438,439.88 = 438,439.88/x - Step 3: Cross multiply
285,218.63x = 438,439.88 × 438,439.88 - Step 4: Simplify right side
285,218.63x = 192,229,523,990.02 - Step 5: Solve for x
x = 192,229,523,990.02/285,218.63 - Step 6: Final answer
x = 673,972.55
Related Problems
Find third proportional to 142,609.31 and 219,219.94
Half scale
Find third proportional to 570,437.25 and 876,879.75
Double scale
Find third proportional to 285,221 and 438,443
Similar ratio
Find third proportional to 427,827.94 and 657,659.81
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.