Finding the Third Proportional to 131,640.19 and 278,969.06
Calculator
Solution
The third proportional to 131,640.19 and 278,969.06 is: 591,185.26
Step by Step Solution
- Step 1: Write the proportion equation
131,640.19 : 278,969.06 = 278,969.06 : x - Step 2: Convert to fraction form
131,640.19/278,969.06 = 278,969.06/x - Step 3: Cross multiply
131,640.19x = 278,969.06 × 278,969.06 - Step 4: Simplify right side
131,640.19x = 77,823,737,832.13 - Step 5: Solve for x
x = 77,823,737,832.13/131,640.19 - Step 6: Final answer
x = 591,185.26
Related Problems
Find third proportional to 65,820.09 and 139,484.53
Half scale
Find third proportional to 263,280.38 and 557,938.13
Double scale
Find third proportional to 131,642 and 278,973
Similar ratio
Find third proportional to 197,460.28 and 418,453.59
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.