Finding the Third Proportional to 422,468 and 939,390.50
Calculator
Solution
The third proportional to 422,468 and 939,390.50 is: 2,088,807.94
Step by Step Solution
- Step 1: Write the proportion equation
422,468 : 939,390.50 = 939,390.50 : x - Step 2: Convert to fraction form
422,468/939,390.50 = 939,390.50/x - Step 3: Cross multiply
422,468x = 939,390.50 × 939,390.50 - Step 4: Simplify right side
422,468x = 882,454,511,490.25 - Step 5: Solve for x
x = 882,454,511,490.25/422,468 - Step 6: Final answer
x = 2,088,807.94
Related Problems
Find third proportional to 211,234 and 469,695.25
Half scale
Find third proportional to 844,936 and 1,878,781
Double scale
Find third proportional to 422,470 and 939,395
Similar ratio
Find third proportional to 633,702 and 1,409,085.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.