Finding the Third Proportional to 282,997.13 and 420,643.97
Calculator
Solution
The third proportional to 282,997.13 and 420,643.97 is: 625,240.80
Step by Step Solution
- Step 1: Write the proportion equation
282,997.13 : 420,643.97 = 420,643.97 : x - Step 2: Convert to fraction form
282,997.13/420,643.97 = 420,643.97/x - Step 3: Cross multiply
282,997.13x = 420,643.97 × 420,643.97 - Step 4: Simplify right side
282,997.13x = 176,941,348,445.75 - Step 5: Solve for x
x = 176,941,348,445.75/282,997.13 - Step 6: Final answer
x = 625,240.80
Related Problems
Find third proportional to 141,498.56 and 210,321.98
Half scale
Find third proportional to 565,994.25 and 841,287.94
Double scale
Find third proportional to 282,999 and 420,647
Similar ratio
Find third proportional to 424,495.69 and 630,965.95
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.