Finding the Third Proportional to 145,189.97 and 312,627.09
Calculator
Solution
The third proportional to 145,189.97 and 312,627.09 is: 673,157.39
Step by Step Solution
- Step 1: Write the proportion equation
145,189.97 : 312,627.09 = 312,627.09 : x - Step 2: Convert to fraction form
145,189.97/312,627.09 = 312,627.09/x - Step 3: Cross multiply
145,189.97x = 312,627.09 × 312,627.09 - Step 4: Simplify right side
145,189.97x = 97,735,699,746.57 - Step 5: Solve for x
x = 97,735,699,746.57/145,189.97 - Step 6: Final answer
x = 673,157.39
Related Problems
Find third proportional to 72,594.98 and 156,313.55
Half scale
Find third proportional to 290,379.94 and 625,254.19
Double scale
Find third proportional to 145,192 and 312,631
Similar ratio
Find third proportional to 217,784.95 and 468,940.64
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.