Finding the Third Proportional to 318,138.19 and 681,816.94
Calculator
Solution
The third proportional to 318,138.19 and 681,816.94 is: 1,461,234.00
Step by Step Solution
- Step 1: Write the proportion equation
318,138.19 : 681,816.94 = 681,816.94 : x - Step 2: Convert to fraction form
318,138.19/681,816.94 = 681,816.94/x - Step 3: Cross multiply
318,138.19x = 681,816.94 × 681,816.94 - Step 4: Simplify right side
318,138.19x = 464,874,336,261.88 - Step 5: Solve for x
x = 464,874,336,261.88/318,138.19 - Step 6: Final answer
x = 1,461,234.00
Related Problems
Find third proportional to 159,069.09 and 340,908.47
Half scale
Find third proportional to 636,276.38 and 1,363,633.88
Double scale
Find third proportional to 318,140 and 681,821
Similar ratio
Find third proportional to 477,207.28 and 1,022,725.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.