Finding the Third Proportional to 4,039,717 and 8,639,307
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Solution
The third proportional to 4,039,717 and 8,639,307 is: 18,475,953.99
Step by Step Solution
- Step 1: Write the proportion equation
4,039,717 : 8,639,307 = 8,639,307 : x - Step 2: Convert to fraction form
4,039,717/8,639,307 = 8,639,307/x - Step 3: Cross multiply
4,039,717x = 8,639,307 × 8,639,307 - Step 4: Simplify right side
4,039,717x = 74,637,625,440,249 - Step 5: Solve for x
x = 74,637,625,440,249/4,039,717 - Step 6: Final answer
x = 18,475,953.99
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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.