Finding the Third Proportional to 473 and 520
Calculator
Solution
The third proportional to 473 and 520 is: 571.67
Step by Step Solution
- Step 1: Write the proportion equation
473 : 520 = 520 : x - Step 2: Convert to fraction form
473/520 = 520/x - Step 3: Cross multiply
473x = 520 × 520 - Step 4: Simplify right side
473x = 270,400 - Step 5: Solve for x
x = 270,400/473 - Step 6: Final answer
x = 571.67
Related Problems
Find third proportional to 236.50 and 260
Half scale
Find third proportional to 946 and 1,040
Double scale
Find third proportional to 475 and 522
Similar ratio
Find third proportional to 709.50 and 780
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.