Finding the Third Proportional to 409,501.13 and 619,979.63
Calculator
Solution
The third proportional to 409,501.13 and 619,979.63 is: 938,641.46
Step by Step Solution
- Step 1: Write the proportion equation
409,501.13 : 619,979.63 = 619,979.63 : x - Step 2: Convert to fraction form
409,501.13/619,979.63 = 619,979.63/x - Step 3: Cross multiply
409,501.13x = 619,979.63 × 619,979.63 - Step 4: Simplify right side
409,501.13x = 384,374,735,415.14 - Step 5: Solve for x
x = 384,374,735,415.14/409,501.13 - Step 6: Final answer
x = 938,641.46
Related Problems
Find third proportional to 204,750.56 and 309,989.81
Half scale
Find third proportional to 819,002.25 and 1,239,959.25
Double scale
Find third proportional to 409,503 and 619,983
Similar ratio
Find third proportional to 614,251.69 and 929,969.44
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.