Finding the Third Proportional to 275,072.63 and 420,783.19
Calculator
Solution
The third proportional to 275,072.63 and 420,783.19 is: 643,679.07
Step by Step Solution
- Step 1: Write the proportion equation
275,072.63 : 420,783.19 = 420,783.19 : x - Step 2: Convert to fraction form
275,072.63/420,783.19 = 420,783.19/x - Step 3: Cross multiply
275,072.63x = 420,783.19 × 420,783.19 - Step 4: Simplify right side
275,072.63x = 177,058,490,882.66 - Step 5: Solve for x
x = 177,058,490,882.66/275,072.63 - Step 6: Final answer
x = 643,679.07
Related Problems
Find third proportional to 137,536.31 and 210,391.59
Half scale
Find third proportional to 550,145.25 and 841,566.38
Double scale
Find third proportional to 275,075 and 420,786
Similar ratio
Find third proportional to 412,608.94 and 631,174.78
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.