Finding the Third Proportional to 42,322.50 and 54,189
Calculator
Solution
The third proportional to 42,322.50 and 54,189 is: 69,382.66
Step by Step Solution
- Step 1: Write the proportion equation
42,322.50 : 54,189 = 54,189 : x - Step 2: Convert to fraction form
42,322.50/54,189 = 54,189/x - Step 3: Cross multiply
42,322.50x = 54,189 × 54,189 - Step 4: Simplify right side
42,322.50x = 2,936,447,721 - Step 5: Solve for x
x = 2,936,447,721/42,322.50 - Step 6: Final answer
x = 69,382.66
Related Problems
Find third proportional to 21,161.25 and 27,094.50
Half scale
Find third proportional to 84,645 and 108,378
Double scale
Find third proportional to 42,325 and 54,192
Similar ratio
Find third proportional to 63,483.75 and 81,283.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.