Finding the Third Proportional to 7,678,919 and 16,420,716
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Solution
The third proportional to 7,678,919 and 16,420,716 is: 35,114,306.32
Step by Step Solution
- Step 1: Write the proportion equation
7,678,919 : 16,420,716 = 16,420,716 : x - Step 2: Convert to fraction form
7,678,919/16,420,716 = 16,420,716/x - Step 3: Cross multiply
7,678,919x = 16,420,716 × 16,420,716 - Step 4: Simplify right side
7,678,919x = 269,639,913,952,656 - Step 5: Solve for x
x = 269,639,913,952,656/7,678,919 - Step 6: Final answer
x = 35,114,306.32
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.