Finding the Third Proportional to 442 and 535
Calculator
Solution
The third proportional to 442 and 535 is: 647.57
Step by Step Solution
- Step 1: Write the proportion equation
442 : 535 = 535 : x - Step 2: Convert to fraction form
442/535 = 535/x - Step 3: Cross multiply
442x = 535 × 535 - Step 4: Simplify right side
442x = 286,225 - Step 5: Solve for x
x = 286,225/442 - Step 6: Final answer
x = 647.57
Related Problems
Find third proportional to 221 and 267.50
Half scale
Find third proportional to 884 and 1,070
Double scale
Find third proportional to 444 and 537
Similar ratio
Find third proportional to 663 and 802.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.