Finding the Third Proportional to 317,400.75 and 430,582.50
Calculator
Solution
The third proportional to 317,400.75 and 430,582.50 is: 584,123.66
Step by Step Solution
- Step 1: Write the proportion equation
317,400.75 : 430,582.50 = 430,582.50 : x - Step 2: Convert to fraction form
317,400.75/430,582.50 = 430,582.50/x - Step 3: Cross multiply
317,400.75x = 430,582.50 × 430,582.50 - Step 4: Simplify right side
317,400.75x = 185,401,289,306.25 - Step 5: Solve for x
x = 185,401,289,306.25/317,400.75 - Step 6: Final answer
x = 584,123.66
Related Problems
Find third proportional to 158,700.38 and 215,291.25
Half scale
Find third proportional to 634,801.50 and 861,165
Double scale
Find third proportional to 317,403 and 430,585
Similar ratio
Find third proportional to 476,101.13 and 645,873.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.