Finding the Third Proportional to 28,950 and 42,609
Calculator
Solution
The third proportional to 28,950 and 42,609 is: 62,712.50
Step by Step Solution
- Step 1: Write the proportion equation
28,950 : 42,609 = 42,609 : x - Step 2: Convert to fraction form
28,950/42,609 = 42,609/x - Step 3: Cross multiply
28,950x = 42,609 × 42,609 - Step 4: Simplify right side
28,950x = 1,815,526,881 - Step 5: Solve for x
x = 1,815,526,881/28,950 - Step 6: Final answer
x = 62,712.50
Related Problems
Find third proportional to 14,475 and 21,304.50
Half scale
Find third proportional to 57,900 and 85,218
Double scale
Find third proportional to 28,952 and 42,612
Similar ratio
Find third proportional to 43,425 and 63,913.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.