Finding the Third Proportional to 455,683 and 997,145
Calculator
Solution
The third proportional to 455,683 and 997,145 is: 2,181,995.27
Step by Step Solution
- Step 1: Write the proportion equation
455,683 : 997,145 = 997,145 : x - Step 2: Convert to fraction form
455,683/997,145 = 997,145/x - Step 3: Cross multiply
455,683x = 997,145 × 997,145 - Step 4: Simplify right side
455,683x = 994,298,151,025 - Step 5: Solve for x
x = 994,298,151,025/455,683 - Step 6: Final answer
x = 2,181,995.27
Related Problems
Find third proportional to 227,841.50 and 498,572.50
Half scale
Find third proportional to 911,366 and 1,994,290
Double scale
Find third proportional to 455,685 and 997,149
Similar ratio
Find third proportional to 683,524.50 and 1,495,717.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.