Finding the Third Proportional to 395,438 and 612,818
Calculator
Solution
The third proportional to 395,438 and 612,818 is: 949,696.04
Step by Step Solution
- Step 1: Write the proportion equation
395,438 : 612,818 = 612,818 : x - Step 2: Convert to fraction form
395,438/612,818 = 612,818/x - Step 3: Cross multiply
395,438x = 612,818 × 612,818 - Step 4: Simplify right side
395,438x = 375,545,901,124 - Step 5: Solve for x
x = 375,545,901,124/395,438 - Step 6: Final answer
x = 949,696.04
Related Problems
Find third proportional to 197,719 and 306,409
Half scale
Find third proportional to 790,876 and 1,225,636
Double scale
Find third proportional to 395,440 and 612,821
Similar ratio
Find third proportional to 593,157 and 919,227
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.