Finding the Third Proportional to 310,420,372 and 486,958,185
Calculator
Solution
The third proportional to 310,420,372 and 486,958,185 is: 763,894,046.03
Step by Step Solution
- Step 1: Write the proportion equation
310,420,372 : 486,958,185 = 486,958,185 : x - Step 2: Convert to fraction form
310,420,372/486,958,185 = 486,958,185/x - Step 3: Cross multiply
310,420,372x = 486,958,185 × 486,958,185 - Step 4: Simplify right side
310,420,372x = 237,128,273,938,494,240 - Step 5: Solve for x
x = 237,128,273,938,494,240/310,420,372 - Step 6: Final answer
x = 763,894,046.03
Related Problems
Find third proportional to 155,210,186 and 243,479,092.50
Half scale
Find third proportional to 620,840,744 and 973,916,370
Double scale
Find third proportional to 310,420,374 and 486,958,188
Similar ratio
Find third proportional to 465,630,558 and 730,437,277.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.