Finding the Third Proportional to 149,205,966 and 321,086,756
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Solution
The third proportional to 149,205,966 and 321,086,756 is: 690,969,051.99
Step by Step Solution
- Step 1: Write the proportion equation
149,205,966 : 321,086,756 = 321,086,756 : x - Step 2: Convert to fraction form
149,205,966/321,086,756 = 321,086,756/x - Step 3: Cross multiply
149,205,966x = 321,086,756 × 321,086,756 - Step 4: Simplify right side
149,205,966x = 103,096,704,878,603,536 - Step 5: Solve for x
x = 103,096,704,878,603,536/149,205,966 - Step 6: Final answer
x = 690,969,051.99
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.