Finding the Third Proportional to 331,432,438 and 498,532,393
Calculator
Solution
The third proportional to 331,432,438 and 498,532,393 is: 749,879,970.62
Step by Step Solution
- Step 1: Write the proportion equation
331,432,438 : 498,532,393 = 498,532,393 : x - Step 2: Convert to fraction form
331,432,438/498,532,393 = 498,532,393/x - Step 3: Cross multiply
331,432,438x = 498,532,393 × 498,532,393 - Step 4: Simplify right side
331,432,438x = 248,534,546,870,306,464 - Step 5: Solve for x
x = 248,534,546,870,306,464/331,432,438 - Step 6: Final answer
x = 749,879,970.62
Related Problems
Find third proportional to 165,716,219 and 249,266,196.50
Half scale
Find third proportional to 662,864,876 and 997,064,786
Double scale
Find third proportional to 331,432,440 and 498,532,396
Similar ratio
Find third proportional to 497,148,657 and 747,798,589.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.