Finding the Third Proportional to 296,722,615 and 436,195,405
Calculator
Solution
The third proportional to 296,722,615 and 436,195,405 is: 641,226,592.53
Step by Step Solution
- Step 1: Write the proportion equation
296,722,615 : 436,195,405 = 436,195,405 : x - Step 2: Convert to fraction form
296,722,615/436,195,405 = 436,195,405/x - Step 3: Cross multiply
296,722,615x = 436,195,405 × 436,195,405 - Step 4: Simplify right side
296,722,615x = 190,266,431,343,114,016 - Step 5: Solve for x
x = 190,266,431,343,114,016/296,722,615 - Step 6: Final answer
x = 641,226,592.53
Related Problems
Find third proportional to 148,361,307.50 and 218,097,702.50
Half scale
Find third proportional to 593,445,230 and 872,390,810
Double scale
Find third proportional to 296,722,617 and 436,195,408
Similar ratio
Find third proportional to 445,083,922.50 and 654,293,107.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.