Finding the Third Proportional to 127,970 and 298,955
Calculator
Solution
The third proportional to 127,970 and 298,955 is: 698,398.78
Step by Step Solution
- Step 1: Write the proportion equation
127,970 : 298,955 = 298,955 : x - Step 2: Convert to fraction form
127,970/298,955 = 298,955/x - Step 3: Cross multiply
127,970x = 298,955 × 298,955 - Step 4: Simplify right side
127,970x = 89,374,092,025 - Step 5: Solve for x
x = 89,374,092,025/127,970 - Step 6: Final answer
x = 698,398.78
Related Problems
Find third proportional to 63,985 and 149,477.50
Half scale
Find third proportional to 255,940 and 597,910
Double scale
Find third proportional to 127,972 and 298,960
Similar ratio
Find third proportional to 191,955 and 448,432.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.