Finding the Third Proportional to 91,012 and 189,290
Calculator
Solution
The third proportional to 91,012 and 189,290 is: 393,692.09
Step by Step Solution
- Step 1: Write the proportion equation
91,012 : 189,290 = 189,290 : x - Step 2: Convert to fraction form
91,012/189,290 = 189,290/x - Step 3: Cross multiply
91,012x = 189,290 × 189,290 - Step 4: Simplify right side
91,012x = 35,830,704,100 - Step 5: Solve for x
x = 35,830,704,100/91,012 - Step 6: Final answer
x = 393,692.09
Related Problems
Find third proportional to 45,506 and 94,645
Half scale
Find third proportional to 182,024 and 378,580
Double scale
Find third proportional to 91,014 and 189,294
Similar ratio
Find third proportional to 136,518 and 283,935
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.