Finding the Third Proportional to 139,970 and 144,002
Calculator
Solution
The third proportional to 139,970 and 144,002 is: 148,150.15
Step by Step Solution
- Step 1: Write the proportion equation
139,970 : 144,002 = 144,002 : x - Step 2: Convert to fraction form
139,970/144,002 = 144,002/x - Step 3: Cross multiply
139,970x = 144,002 × 144,002 - Step 4: Simplify right side
139,970x = 20,736,576,004 - Step 5: Solve for x
x = 20,736,576,004/139,970 - Step 6: Final answer
x = 148,150.15
Related Problems
Find third proportional to 69,985 and 72,001
Half scale
Find third proportional to 279,940 and 288,004
Double scale
Find third proportional to 139,972 and 144,004
Similar ratio
Find third proportional to 209,955 and 216,003
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.