Finding the Third Proportional to 999,644 and 2,176,766
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Solution
The third proportional to 999,644 and 2,176,766 is: 4,739,997.66
Step by Step Solution
- Step 1: Write the proportion equation
999,644 : 2,176,766 = 2,176,766 : x - Step 2: Convert to fraction form
999,644/2,176,766 = 2,176,766/x - Step 3: Cross multiply
999,644x = 2,176,766 × 2,176,766 - Step 4: Simplify right side
999,644x = 4,738,310,218,756 - Step 5: Solve for x
x = 4,738,310,218,756/999,644 - Step 6: Final answer
x = 4,739,997.66
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.