Finding the Third Proportional to 289,095 and 444,915
Calculator
Solution
The third proportional to 289,095 and 444,915 is: 684,720.79
Step by Step Solution
- Step 1: Write the proportion equation
289,095 : 444,915 = 444,915 : x - Step 2: Convert to fraction form
289,095/444,915 = 444,915/x - Step 3: Cross multiply
289,095x = 444,915 × 444,915 - Step 4: Simplify right side
289,095x = 197,949,357,225 - Step 5: Solve for x
x = 197,949,357,225/289,095 - Step 6: Final answer
x = 684,720.79
Related Problems
Find third proportional to 144,547.50 and 222,457.50
Half scale
Find third proportional to 578,190 and 889,830
Double scale
Find third proportional to 289,097 and 444,918
Similar ratio
Find third proportional to 433,642.50 and 667,372.50
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.