Finding the Third Proportional to 317,611.13 and 678,283.88
Calculator
Solution
The third proportional to 317,611.13 and 678,283.88 is: 1,448,529.28
Step by Step Solution
- Step 1: Write the proportion equation
317,611.13 : 678,283.88 = 678,283.88 : x - Step 2: Convert to fraction form
317,611.13/678,283.88 = 678,283.88/x - Step 3: Cross multiply
317,611.13x = 678,283.88 × 678,283.88 - Step 4: Simplify right side
317,611.13x = 460,069,015,085.02 - Step 5: Solve for x
x = 460,069,015,085.02/317,611.13 - Step 6: Final answer
x = 1,448,529.28
Related Problems
Find third proportional to 158,805.56 and 339,141.94
Half scale
Find third proportional to 635,222.25 and 1,356,567.75
Double scale
Find third proportional to 317,613 and 678,288
Similar ratio
Find third proportional to 476,416.69 and 1,017,425.81
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.