Finding the Third Proportional to 78,920 and 173,392
Calculator
Solution
The third proportional to 78,920 and 173,392 is: 380,952.68
Step by Step Solution
- Step 1: Write the proportion equation
78,920 : 173,392 = 173,392 : x - Step 2: Convert to fraction form
78,920/173,392 = 173,392/x - Step 3: Cross multiply
78,920x = 173,392 × 173,392 - Step 4: Simplify right side
78,920x = 30,064,785,664 - Step 5: Solve for x
x = 30,064,785,664/78,920 - Step 6: Final answer
x = 380,952.68
Related Problems
Find third proportional to 39,460 and 86,696
Half scale
Find third proportional to 157,840 and 346,784
Double scale
Find third proportional to 78,922 and 173,396
Similar ratio
Find third proportional to 118,380 and 260,088
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.