Finding the Third Proportional to 145,642.75 and 311,523.75
Calculator
Solution
The third proportional to 145,642.75 and 311,523.75 is: 666,336.27
Step by Step Solution
- Step 1: Write the proportion equation
145,642.75 : 311,523.75 = 311,523.75 : x - Step 2: Convert to fraction form
145,642.75/311,523.75 = 311,523.75/x - Step 3: Cross multiply
145,642.75x = 311,523.75 × 311,523.75 - Step 4: Simplify right side
145,642.75x = 97,047,046,814.06 - Step 5: Solve for x
x = 97,047,046,814.06/145,642.75 - Step 6: Final answer
x = 666,336.27
Related Problems
Find third proportional to 72,821.38 and 155,761.88
Half scale
Find third proportional to 291,285.50 and 623,047.50
Double scale
Find third proportional to 145,645 and 311,528
Similar ratio
Find third proportional to 218,464.13 and 467,285.63
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.