Finding the Third Proportional to 108,320 and 159,520
Calculator
Solution
The third proportional to 108,320 and 159,520 is: 234,920.89
Step by Step Solution
- Step 1: Write the proportion equation
108,320 : 159,520 = 159,520 : x - Step 2: Convert to fraction form
108,320/159,520 = 159,520/x - Step 3: Cross multiply
108,320x = 159,520 × 159,520 - Step 4: Simplify right side
108,320x = 25,446,630,400 - Step 5: Solve for x
x = 25,446,630,400/108,320 - Step 6: Final answer
x = 234,920.89
Related Problems
Find third proportional to 54,160 and 79,760
Half scale
Find third proportional to 216,640 and 319,040
Double scale
Find third proportional to 108,322 and 159,523
Similar ratio
Find third proportional to 162,480 and 239,280
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.