Finding the Third Proportional to 803 and 1,395
Calculator
Solution
The third proportional to 803 and 1,395 is: 2,423.44
Step by Step Solution
- Step 1: Write the proportion equation
803 : 1,395 = 1,395 : x - Step 2: Convert to fraction form
803/1,395 = 1,395/x - Step 3: Cross multiply
803x = 1,395 × 1,395 - Step 4: Simplify right side
803x = 1,946,025 - Step 5: Solve for x
x = 1,946,025/803 - Step 6: Final answer
x = 2,423.44
Related Problems
Find third proportional to 401.50 and 697.50
Half scale
Find third proportional to 1,606 and 2,790
Double scale
Find third proportional to 805 and 1,398
Similar ratio
Find third proportional to 1,204.50 and 2,092.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.