Finding the Third Proportional to 201,397,319 and 310,992,698
Calculator
Solution
The third proportional to 201,397,319 and 310,992,698 is: 480,227,138.52
Step by Step Solution
- Step 1: Write the proportion equation
201,397,319 : 310,992,698 = 310,992,698 : x - Step 2: Convert to fraction form
201,397,319/310,992,698 = 310,992,698/x - Step 3: Cross multiply
201,397,319x = 310,992,698 × 310,992,698 - Step 4: Simplify right side
201,397,319x = 96,716,458,209,319,200 - Step 5: Solve for x
x = 96,716,458,209,319,200/201,397,319 - Step 6: Final answer
x = 480,227,138.52
Related Problems
Find third proportional to 100,698,659.50 and 155,496,349
Half scale
Find third proportional to 402,794,638 and 621,985,396
Double scale
Find third proportional to 201,397,321 and 310,992,701
Similar ratio
Find third proportional to 302,095,978.50 and 466,489,047
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.