Finding the Third Proportional to 74,313,309 and 155,402,490
Calculator
Solution
The third proportional to 74,313,309 and 155,402,490 is: 324,974,546.59
Step by Step Solution
- Step 1: Write the proportion equation
74,313,309 : 155,402,490 = 155,402,490 : x - Step 2: Convert to fraction form
74,313,309/155,402,490 = 155,402,490/x - Step 3: Cross multiply
74,313,309x = 155,402,490 × 155,402,490 - Step 4: Simplify right side
74,313,309x = 24,149,933,898,200,100 - Step 5: Solve for x
x = 24,149,933,898,200,100/74,313,309 - Step 6: Final answer
x = 324,974,546.59
Related Problems
Find third proportional to 37,156,654.50 and 77,701,245
Half scale
Find third proportional to 148,626,618 and 310,804,980
Double scale
Find third proportional to 74,313,311 and 155,402,494
Similar ratio
Find third proportional to 111,469,963.50 and 233,103,735
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.