Finding the Third Proportional to 149,996 and 210,987
Calculator
Solution
The third proportional to 149,996 and 210,987 is: 296,778.01
Step by Step Solution
- Step 1: Write the proportion equation
149,996 : 210,987 = 210,987 : x - Step 2: Convert to fraction form
149,996/210,987 = 210,987/x - Step 3: Cross multiply
149,996x = 210,987 × 210,987 - Step 4: Simplify right side
149,996x = 44,515,514,169 - Step 5: Solve for x
x = 44,515,514,169/149,996 - Step 6: Final answer
x = 296,778.01
Related Problems
Find third proportional to 74,998 and 105,493.50
Half scale
Find third proportional to 299,992 and 421,974
Double scale
Find third proportional to 149,998 and 210,990
Similar ratio
Find third proportional to 224,994 and 316,480.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.