Finding the Third Proportional to 3,979.13 and 8,539.17
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Solution
The third proportional to 3,979.13 and 8,539.17 is: 18,325.00
Step by Step Solution
- Step 1: Write the proportion equation
3,979.13 : 8,539.17 = 8,539.17 : x - Step 2: Convert to fraction form
3,979.13/8,539.17 = 8,539.17/x - Step 3: Cross multiply
3,979.13x = 8,539.17 × 8,539.17 - Step 4: Simplify right side
3,979.13x = 72,917,456.31 - Step 5: Solve for x
x = 72,917,456.31/3,979.13 - Step 6: Final answer
x = 18,325.00
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.