Finding the Third Proportional to 2,979.28 and 6,107.91
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Solution
The third proportional to 2,979.28 and 6,107.91 is: 12,521.99
Step by Step Solution
- Step 1: Write the proportion equation
2,979.28 : 6,107.91 = 6,107.91 : x - Step 2: Convert to fraction form
2,979.28/6,107.91 = 6,107.91/x - Step 3: Cross multiply
2,979.28x = 6,107.91 × 6,107.91 - Step 4: Simplify right side
2,979.28x = 37,306,518.76 - Step 5: Solve for x
x = 37,306,518.76/2,979.28 - Step 6: Final answer
x = 12,521.99
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.