Finding the Third Proportional to 699,638 and 1,080,377
Calculator
Solution
The third proportional to 699,638 and 1,080,377 is: 1,668,311.99
Step by Step Solution
- Step 1: Write the proportion equation
699,638 : 1,080,377 = 1,080,377 : x - Step 2: Convert to fraction form
699,638/1,080,377 = 1,080,377/x - Step 3: Cross multiply
699,638x = 1,080,377 × 1,080,377 - Step 4: Simplify right side
699,638x = 1,167,214,462,129 - Step 5: Solve for x
x = 1,167,214,462,129/699,638 - Step 6: Final answer
x = 1,668,311.99
Related Problems
Find third proportional to 349,819 and 540,188.50
Half scale
Find third proportional to 1,399,276 and 2,160,754
Double scale
Find third proportional to 699,640 and 1,080,380
Similar ratio
Find third proportional to 1,049,457 and 1,620,565.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.