Finding the Third Proportional to 145,212.75 and 313,368.75
Calculator
Solution
The third proportional to 145,212.75 and 313,368.75 is: 676,248.98
Step by Step Solution
- Step 1: Write the proportion equation
145,212.75 : 313,368.75 = 313,368.75 : x - Step 2: Convert to fraction form
145,212.75/313,368.75 = 313,368.75/x - Step 3: Cross multiply
145,212.75x = 313,368.75 × 313,368.75 - Step 4: Simplify right side
145,212.75x = 98,199,973,476.56 - Step 5: Solve for x
x = 98,199,973,476.56/145,212.75 - Step 6: Final answer
x = 676,248.98
Related Problems
Find third proportional to 72,606.38 and 156,684.38
Half scale
Find third proportional to 290,425.50 and 626,737.50
Double scale
Find third proportional to 145,215 and 313,373
Similar ratio
Find third proportional to 217,819.13 and 470,053.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.