Finding the Third Proportional to 135,284,349 and 289,700,553
Calculator
Solution
The third proportional to 135,284,349 and 289,700,553 is: 620,370,434.78
Step by Step Solution
- Step 1: Write the proportion equation
135,284,349 : 289,700,553 = 289,700,553 : x - Step 2: Convert to fraction form
135,284,349/289,700,553 = 289,700,553/x - Step 3: Cross multiply
135,284,349x = 289,700,553 × 289,700,553 - Step 4: Simplify right side
135,284,349x = 83,926,410,408,505,808 - Step 5: Solve for x
x = 83,926,410,408,505,808/135,284,349 - Step 6: Final answer
x = 620,370,434.78
Related Problems
Find third proportional to 67,642,174.50 and 144,850,276.50
Half scale
Find third proportional to 270,568,698 and 579,401,106
Double scale
Find third proportional to 135,284,351 and 289,700,557
Similar ratio
Find third proportional to 202,926,523.50 and 434,550,829.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.