Finding the Third Proportional to 311,526,389 and 664,749,634
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Solution
The third proportional to 311,526,389 and 664,749,634 is: 1,418,473,976.86
Step by Step Solution
- Step 1: Write the proportion equation
311,526,389 : 664,749,634 = 664,749,634 : x - Step 2: Convert to fraction form
311,526,389/664,749,634 = 664,749,634/x - Step 3: Cross multiply
311,526,389x = 664,749,634 × 664,749,634 - Step 4: Simplify right side
311,526,389x = 441,892,075,903,133,952 - Step 5: Solve for x
x = 441,892,075,903,133,952/311,526,389 - Step 6: Final answer
x = 1,418,473,976.86
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.