Finding the Third Proportional to 692,378 and 1,439,795
Calculator
Solution
The third proportional to 692,378 and 1,439,795 is: 2,994,043.20
Step by Step Solution
- Step 1: Write the proportion equation
692,378 : 1,439,795 = 1,439,795 : x - Step 2: Convert to fraction form
692,378/1,439,795 = 1,439,795/x - Step 3: Cross multiply
692,378x = 1,439,795 × 1,439,795 - Step 4: Simplify right side
692,378x = 2,073,009,642,025 - Step 5: Solve for x
x = 2,073,009,642,025/692,378 - Step 6: Final answer
x = 2,994,043.20
Related Problems
Find third proportional to 346,189 and 719,897.50
Half scale
Find third proportional to 1,384,756 and 2,879,590
Double scale
Find third proportional to 692,380 and 1,439,799
Similar ratio
Find third proportional to 1,038,567 and 2,159,692.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.