Finding the Third Proportional to 269,427 and 421,420.50
Calculator
Solution
The third proportional to 269,427 and 421,420.50 is: 659,159.02
Step by Step Solution
- Step 1: Write the proportion equation
269,427 : 421,420.50 = 421,420.50 : x - Step 2: Convert to fraction form
269,427/421,420.50 = 421,420.50/x - Step 3: Cross multiply
269,427x = 421,420.50 × 421,420.50 - Step 4: Simplify right side
269,427x = 177,595,237,820.25 - Step 5: Solve for x
x = 177,595,237,820.25/269,427 - Step 6: Final answer
x = 659,159.02
Related Problems
Find third proportional to 134,713.50 and 210,710.25
Half scale
Find third proportional to 538,854 and 842,841
Double scale
Find third proportional to 269,429 and 421,424
Similar ratio
Find third proportional to 404,140.50 and 632,130.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.