Finding the Third Proportional to 174,276 and 381,780
Calculator
Solution
The third proportional to 174,276 and 381,780 is: 836,351.35
Step by Step Solution
- Step 1: Write the proportion equation
174,276 : 381,780 = 381,780 : x - Step 2: Convert to fraction form
174,276/381,780 = 381,780/x - Step 3: Cross multiply
174,276x = 381,780 × 381,780 - Step 4: Simplify right side
174,276x = 145,755,968,400 - Step 5: Solve for x
x = 145,755,968,400/174,276 - Step 6: Final answer
x = 836,351.35
Related Problems
Find third proportional to 87,138 and 190,890
Half scale
Find third proportional to 348,552 and 763,560
Double scale
Find third proportional to 174,278 and 381,784
Similar ratio
Find third proportional to 261,414 and 572,670
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.