Finding the Third Proportional to 8,719.50 and 19,018.50
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Solution
The third proportional to 8,719.50 and 19,018.50 is: 41,482.12
Step by Step Solution
- Step 1: Write the proportion equation
8,719.50 : 19,018.50 = 19,018.50 : x - Step 2: Convert to fraction form
8,719.50/19,018.50 = 19,018.50/x - Step 3: Cross multiply
8,719.50x = 19,018.50 × 19,018.50 - Step 4: Simplify right side
8,719.50x = 361,703,342.25 - Step 5: Solve for x
x = 361,703,342.25/8,719.50 - Step 6: Final answer
x = 41,482.12
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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.