Finding the Third Proportional to 7,776 and 16,930
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Solution
The third proportional to 7,776 and 16,930 is: 36,860.20
Step by Step Solution
- Step 1: Write the proportion equation
7,776 : 16,930 = 16,930 : x - Step 2: Convert to fraction form
7,776/16,930 = 16,930/x - Step 3: Cross multiply
7,776x = 16,930 × 16,930 - Step 4: Simplify right side
7,776x = 286,624,900 - Step 5: Solve for x
x = 286,624,900/7,776 - Step 6: Final answer
x = 36,860.20
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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.