Finding the Third Proportional to 267,678 and 392,580
Calculator
Solution
The third proportional to 267,678 and 392,580 is: 575,762.88
Step by Step Solution
- Step 1: Write the proportion equation
267,678 : 392,580 = 392,580 : x - Step 2: Convert to fraction form
267,678/392,580 = 392,580/x - Step 3: Cross multiply
267,678x = 392,580 × 392,580 - Step 4: Simplify right side
267,678x = 154,119,056,400 - Step 5: Solve for x
x = 154,119,056,400/267,678 - Step 6: Final answer
x = 575,762.88
Related Problems
Find third proportional to 133,839 and 196,290
Half scale
Find third proportional to 535,356 and 785,160
Double scale
Find third proportional to 267,680 and 392,583
Similar ratio
Find third proportional to 401,517 and 588,870
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.