Finding the Third Proportional to 302,806.50 and 470,199.75
Calculator
Solution
The third proportional to 302,806.50 and 470,199.75 is: 730,128.99
Step by Step Solution
- Step 1: Write the proportion equation
302,806.50 : 470,199.75 = 470,199.75 : x - Step 2: Convert to fraction form
302,806.50/470,199.75 = 470,199.75/x - Step 3: Cross multiply
302,806.50x = 470,199.75 × 470,199.75 - Step 4: Simplify right side
302,806.50x = 221,087,804,900.06 - Step 5: Solve for x
x = 221,087,804,900.06/302,806.50 - Step 6: Final answer
x = 730,128.99
Related Problems
Find third proportional to 151,403.25 and 235,099.88
Half scale
Find third proportional to 605,613 and 940,399.50
Double scale
Find third proportional to 302,809 and 470,203
Similar ratio
Find third proportional to 454,209.75 and 705,299.63
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.