Finding the Third Proportional to 4,685 and 9,370
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Solution
The third proportional to 4,685 and 9,370 is: 18,740
Step by Step Solution
- Step 1: Write the proportion equation
4,685 : 9,370 = 9,370 : x - Step 2: Convert to fraction form
4,685/9,370 = 9,370/x - Step 3: Cross multiply
4,685x = 9,370 × 9,370 - Step 4: Simplify right side
4,685x = 87,796,900 - Step 5: Solve for x
x = 87,796,900/4,685 - Step 6: Final answer
x = 18,740
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.