Finding the Third Proportional to 318,937.50 and 499,182.75
Calculator
Solution
The third proportional to 318,937.50 and 499,182.75 is: 781,292.32
Step by Step Solution
- Step 1: Write the proportion equation
318,937.50 : 499,182.75 = 499,182.75 : x - Step 2: Convert to fraction form
318,937.50/499,182.75 = 499,182.75/x - Step 3: Cross multiply
318,937.50x = 499,182.75 × 499,182.75 - Step 4: Simplify right side
318,937.50x = 249,183,417,897.56 - Step 5: Solve for x
x = 249,183,417,897.56/318,937.50 - Step 6: Final answer
x = 781,292.32
Related Problems
Find third proportional to 159,468.75 and 249,591.38
Half scale
Find third proportional to 637,875 and 998,365.50
Double scale
Find third proportional to 318,940 and 499,186
Similar ratio
Find third proportional to 478,406.25 and 748,774.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.