Finding the Third Proportional to 272,828.25 and 558,778.50
Calculator
Solution
The third proportional to 272,828.25 and 558,778.50 is: 1,144,432.12
Step by Step Solution
- Step 1: Write the proportion equation
272,828.25 : 558,778.50 = 558,778.50 : x - Step 2: Convert to fraction form
272,828.25/558,778.50 = 558,778.50/x - Step 3: Cross multiply
272,828.25x = 558,778.50 × 558,778.50 - Step 4: Simplify right side
272,828.25x = 312,233,412,062.25 - Step 5: Solve for x
x = 312,233,412,062.25/272,828.25 - Step 6: Final answer
x = 1,144,432.12
Related Problems
Find third proportional to 136,414.13 and 279,389.25
Half scale
Find third proportional to 545,656.50 and 1,117,557
Double scale
Find third proportional to 272,830 and 558,783
Similar ratio
Find third proportional to 409,242.38 and 838,167.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.