Finding the Third Proportional to 137,752.25 and 212,769.75
Calculator
Solution
The third proportional to 137,752.25 and 212,769.75 is: 328,640.49
Step by Step Solution
- Step 1: Write the proportion equation
137,752.25 : 212,769.75 = 212,769.75 : x - Step 2: Convert to fraction form
137,752.25/212,769.75 = 212,769.75/x - Step 3: Cross multiply
137,752.25x = 212,769.75 × 212,769.75 - Step 4: Simplify right side
137,752.25x = 45,270,966,515.06 - Step 5: Solve for x
x = 45,270,966,515.06/137,752.25 - Step 6: Final answer
x = 328,640.49
Related Problems
Find third proportional to 68,876.13 and 106,384.88
Half scale
Find third proportional to 275,504.50 and 425,539.50
Double scale
Find third proportional to 137,754 and 212,773
Similar ratio
Find third proportional to 206,628.38 and 319,154.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.