Finding the Third Proportional to 77,392 and 156,912
Calculator
Solution
The third proportional to 77,392 and 156,912 is: 318,138.51
Step by Step Solution
- Step 1: Write the proportion equation
77,392 : 156,912 = 156,912 : x - Step 2: Convert to fraction form
77,392/156,912 = 156,912/x - Step 3: Cross multiply
77,392x = 156,912 × 156,912 - Step 4: Simplify right side
77,392x = 24,621,375,744 - Step 5: Solve for x
x = 24,621,375,744/77,392 - Step 6: Final answer
x = 318,138.51
Related Problems
Find third proportional to 38,696 and 78,456
Half scale
Find third proportional to 154,784 and 313,824
Double scale
Find third proportional to 77,394 and 156,916
Similar ratio
Find third proportional to 116,088 and 235,368
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.