Finding the Third Proportional to 149,269.50 and 312,369.75
Calculator
Solution
The third proportional to 149,269.50 and 312,369.75 is: 653,682.51
Step by Step Solution
- Step 1: Write the proportion equation
149,269.50 : 312,369.75 = 312,369.75 : x - Step 2: Convert to fraction form
149,269.50/312,369.75 = 312,369.75/x - Step 3: Cross multiply
149,269.50x = 312,369.75 × 312,369.75 - Step 4: Simplify right side
149,269.50x = 97,574,860,715.06 - Step 5: Solve for x
x = 97,574,860,715.06/149,269.50 - Step 6: Final answer
x = 653,682.51
Related Problems
Find third proportional to 74,634.75 and 156,184.88
Half scale
Find third proportional to 298,539 and 624,739.50
Double scale
Find third proportional to 149,272 and 312,374
Similar ratio
Find third proportional to 223,904.25 and 468,554.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.