Finding the Third Proportional to 1,919 and 4,613
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Solution
The third proportional to 1,919 and 4,613 is: 11,088.99
Step by Step Solution
- Step 1: Write the proportion equation
1,919 : 4,613 = 4,613 : x - Step 2: Convert to fraction form
1,919/4,613 = 4,613/x - Step 3: Cross multiply
1,919x = 4,613 × 4,613 - Step 4: Simplify right side
1,919x = 21,279,769 - Step 5: Solve for x
x = 21,279,769/1,919 - Step 6: Final answer
x = 11,088.99
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Why These Related Problems?
These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.