Finding the Third Proportional to 691,272 and 1,437,724.50
Calculator
Solution
The third proportional to 691,272 and 1,437,724.50 is: 2,990,214.76
Step by Step Solution
- Step 1: Write the proportion equation
691,272 : 1,437,724.50 = 1,437,724.50 : x - Step 2: Convert to fraction form
691,272/1,437,724.50 = 1,437,724.50/x - Step 3: Cross multiply
691,272x = 1,437,724.50 × 1,437,724.50 - Step 4: Simplify right side
691,272x = 2,067,051,737,900.25 - Step 5: Solve for x
x = 2,067,051,737,900.25/691,272 - Step 6: Final answer
x = 2,990,214.76
Related Problems
Find third proportional to 345,636 and 718,862.25
Half scale
Find third proportional to 1,382,544 and 2,875,449
Double scale
Find third proportional to 691,274 and 1,437,729
Similar ratio
Find third proportional to 1,036,908 and 2,156,586.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.