Finding the Third Proportional to 409,388,636 and 585,430,581
Calculator
Solution
The third proportional to 409,388,636 and 585,430,581 is: 837,172,639.96
Step by Step Solution
- Step 1: Write the proportion equation
409,388,636 : 585,430,581 = 585,430,581 : x - Step 2: Convert to fraction form
409,388,636/585,430,581 = 585,430,581/x - Step 3: Cross multiply
409,388,636x = 585,430,581 × 585,430,581 - Step 4: Simplify right side
409,388,636x = 342,728,965,169,997,568 - Step 5: Solve for x
x = 342,728,965,169,997,568/409,388,636 - Step 6: Final answer
x = 837,172,639.96
Related Problems
Find third proportional to 204,694,318 and 292,715,290.50
Half scale
Find third proportional to 818,777,272 and 1,170,861,162
Double scale
Find third proportional to 409,388,638 and 585,430,584
Similar ratio
Find third proportional to 614,082,954 and 878,145,871.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.