Finding the Third Proportional to 546.75 and 1,215
Calculator
Solution
The third proportional to 546.75 and 1,215 is: 2,700
Step by Step Solution
- Step 1: Write the proportion equation
546.75 : 1,215 = 1,215 : x - Step 2: Convert to fraction form
546.75/1,215 = 1,215/x - Step 3: Cross multiply
546.75x = 1,215 × 1,215 - Step 4: Simplify right side
546.75x = 1,476,225 - Step 5: Solve for x
x = 1,476,225/546.75 - Step 6: Final answer
x = 2,700
Related Problems
Find third proportional to 273.38 and 607.50
Half scale
Find third proportional to 1,093.50 and 2,430
Double scale
Find third proportional to 549 and 1,219
Similar ratio
Find third proportional to 820.13 and 1,822.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.