Finding the Third Proportional to 821,060 and 1,307,478
Calculator
Solution
The third proportional to 821,060 and 1,307,478 is: 2,082,063.09
Step by Step Solution
- Step 1: Write the proportion equation
821,060 : 1,307,478 = 1,307,478 : x - Step 2: Convert to fraction form
821,060/1,307,478 = 1,307,478/x - Step 3: Cross multiply
821,060x = 1,307,478 × 1,307,478 - Step 4: Simplify right side
821,060x = 1,709,498,720,484 - Step 5: Solve for x
x = 1,709,498,720,484/821,060 - Step 6: Final answer
x = 2,082,063.09
Related Problems
Find third proportional to 410,530 and 653,739
Half scale
Find third proportional to 1,642,120 and 2,614,956
Double scale
Find third proportional to 821,062 and 1,307,481
Similar ratio
Find third proportional to 1,231,590 and 1,961,217
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.