Finding the Third Proportional to 309,742.13 and 436,191.75
Calculator
Solution
The third proportional to 309,742.13 and 436,191.75 is: 614,263.37
Step by Step Solution
- Step 1: Write the proportion equation
309,742.13 : 436,191.75 = 436,191.75 : x - Step 2: Convert to fraction form
309,742.13/436,191.75 = 436,191.75/x - Step 3: Cross multiply
309,742.13x = 436,191.75 × 436,191.75 - Step 4: Simplify right side
309,742.13x = 190,263,242,768.06 - Step 5: Solve for x
x = 190,263,242,768.06/309,742.13 - Step 6: Final answer
x = 614,263.37
Related Problems
Find third proportional to 154,871.06 and 218,095.88
Half scale
Find third proportional to 619,484.25 and 872,383.50
Double scale
Find third proportional to 309,744 and 436,195
Similar ratio
Find third proportional to 464,613.19 and 654,287.63
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.