Finding the Third Proportional to 637,816.25 and 1,387,731.75
Calculator
Solution
The third proportional to 637,816.25 and 1,387,731.75 is: 3,019,363.98
Step by Step Solution
- Step 1: Write the proportion equation
637,816.25 : 1,387,731.75 = 1,387,731.75 : x - Step 2: Convert to fraction form
637,816.25/1,387,731.75 = 1,387,731.75/x - Step 3: Cross multiply
637,816.25x = 1,387,731.75 × 1,387,731.75 - Step 4: Simplify right side
637,816.25x = 1,925,799,409,958.06 - Step 5: Solve for x
x = 1,925,799,409,958.06/637,816.25 - Step 6: Final answer
x = 3,019,363.98
Related Problems
Find third proportional to 318,908.13 and 693,865.88
Half scale
Find third proportional to 1,275,632.50 and 2,775,463.50
Double scale
Find third proportional to 637,818 and 1,387,736
Similar ratio
Find third proportional to 956,724.38 and 2,081,597.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.