Finding the Third Proportional to 199,554.75 and 428,631.75
Calculator
Solution
The third proportional to 199,554.75 and 428,631.75 is: 920,675.54
Step by Step Solution
- Step 1: Write the proportion equation
199,554.75 : 428,631.75 = 428,631.75 : x - Step 2: Convert to fraction form
199,554.75/428,631.75 = 428,631.75/x - Step 3: Cross multiply
199,554.75x = 428,631.75 × 428,631.75 - Step 4: Simplify right side
199,554.75x = 183,725,177,108.06 - Step 5: Solve for x
x = 183,725,177,108.06/199,554.75 - Step 6: Final answer
x = 920,675.54
Related Problems
Find third proportional to 99,777.38 and 214,315.88
Half scale
Find third proportional to 399,109.50 and 857,263.50
Double scale
Find third proportional to 199,557 and 428,636
Similar ratio
Find third proportional to 299,332.13 and 642,947.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.