Finding the Third Proportional to 458.50 and 636
Calculator
Solution
The third proportional to 458.50 and 636 is: 882.22
Step by Step Solution
- Step 1: Write the proportion equation
458.50 : 636 = 636 : x - Step 2: Convert to fraction form
458.50/636 = 636/x - Step 3: Cross multiply
458.50x = 636 × 636 - Step 4: Simplify right side
458.50x = 404,496 - Step 5: Solve for x
x = 404,496/458.50 - Step 6: Final answer
x = 882.22
Related Problems
Find third proportional to 229.25 and 318
Half scale
Find third proportional to 917 and 1,272
Double scale
Find third proportional to 461 and 639
Similar ratio
Find third proportional to 687.75 and 954
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.