Finding the Third Proportional to 127,836 and 279,000
Calculator
Solution
The third proportional to 127,836 and 279,000 is: 608,912.98
Step by Step Solution
- Step 1: Write the proportion equation
127,836 : 279,000 = 279,000 : x - Step 2: Convert to fraction form
127,836/279,000 = 279,000/x - Step 3: Cross multiply
127,836x = 279,000 × 279,000 - Step 4: Simplify right side
127,836x = 77,841,000,000 - Step 5: Solve for x
x = 77,841,000,000/127,836 - Step 6: Final answer
x = 608,912.98
Related Problems
Find third proportional to 63,918 and 139,500
Half scale
Find third proportional to 255,672 and 558,000
Double scale
Find third proportional to 127,838 and 279,004
Similar ratio
Find third proportional to 191,754 and 418,500
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.