Finding the Third Proportional to 368,415.50 and 553,989.75
Calculator
Solution
The third proportional to 368,415.50 and 553,989.75 is: 833,039.44
Step by Step Solution
- Step 1: Write the proportion equation
368,415.50 : 553,989.75 = 553,989.75 : x - Step 2: Convert to fraction form
368,415.50/553,989.75 = 553,989.75/x - Step 3: Cross multiply
368,415.50x = 553,989.75 × 553,989.75 - Step 4: Simplify right side
368,415.50x = 306,904,643,105.06 - Step 5: Solve for x
x = 306,904,643,105.06/368,415.50 - Step 6: Final answer
x = 833,039.44
Related Problems
Find third proportional to 184,207.75 and 276,994.88
Half scale
Find third proportional to 736,831 and 1,107,979.50
Double scale
Find third proportional to 368,418 and 553,993
Similar ratio
Find third proportional to 552,623.25 and 830,984.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.