Finding the Third Proportional to 383,318.50 and 561,035.50
Calculator
Solution
The third proportional to 383,318.50 and 561,035.50 is: 821,146.99
Step by Step Solution
- Step 1: Write the proportion equation
383,318.50 : 561,035.50 = 561,035.50 : x - Step 2: Convert to fraction form
383,318.50/561,035.50 = 561,035.50/x - Step 3: Cross multiply
383,318.50x = 561,035.50 × 561,035.50 - Step 4: Simplify right side
383,318.50x = 314,760,832,260.25 - Step 5: Solve for x
x = 314,760,832,260.25/383,318.50 - Step 6: Final answer
x = 821,146.99
Related Problems
Find third proportional to 191,659.25 and 280,517.75
Half scale
Find third proportional to 766,637 and 1,122,071
Double scale
Find third proportional to 383,321 and 561,038
Similar ratio
Find third proportional to 574,977.75 and 841,553.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.