Finding the Third Proportional to 219,010 and 287,571
Calculator
Solution
The third proportional to 219,010 and 287,571 is: 377,595.00
Step by Step Solution
- Step 1: Write the proportion equation
219,010 : 287,571 = 287,571 : x - Step 2: Convert to fraction form
219,010/287,571 = 287,571/x - Step 3: Cross multiply
219,010x = 287,571 × 287,571 - Step 4: Simplify right side
219,010x = 82,697,080,041 - Step 5: Solve for x
x = 82,697,080,041/219,010 - Step 6: Final answer
x = 377,595.00
Related Problems
Find third proportional to 109,505 and 143,785.50
Half scale
Find third proportional to 438,020 and 575,142
Double scale
Find third proportional to 219,012 and 287,574
Similar ratio
Find third proportional to 328,515 and 431,356.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.