Finding the Third Proportional to 388,043,618 and 581,922,939
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Solution
The third proportional to 388,043,618 and 581,922,939 is: 872,670,728.82
Step by Step Solution
- Step 1: Write the proportion equation
388,043,618 : 581,922,939 = 581,922,939 : x - Step 2: Convert to fraction form
388,043,618/581,922,939 = 581,922,939/x - Step 3: Cross multiply
388,043,618x = 581,922,939 × 581,922,939 - Step 4: Simplify right side
388,043,618x = 338,634,306,934,397,696 - Step 5: Solve for x
x = 338,634,306,934,397,696/388,043,618 - Step 6: Final answer
x = 872,670,728.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.