Finding the Third Proportional to 28,807.50 and 66,733.50
Calculator
Solution
The third proportional to 28,807.50 and 66,733.50 is: 154,590.30
Step by Step Solution
- Step 1: Write the proportion equation
28,807.50 : 66,733.50 = 66,733.50 : x - Step 2: Convert to fraction form
28,807.50/66,733.50 = 66,733.50/x - Step 3: Cross multiply
28,807.50x = 66,733.50 × 66,733.50 - Step 4: Simplify right side
28,807.50x = 4,453,360,022.25 - Step 5: Solve for x
x = 4,453,360,022.25/28,807.50 - Step 6: Final answer
x = 154,590.30
Related Problems
Find third proportional to 14,403.75 and 33,366.75
Half scale
Find third proportional to 57,615 and 133,467
Double scale
Find third proportional to 28,810 and 66,738
Similar ratio
Find third proportional to 43,211.25 and 100,100.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.