Finding the Third Proportional to 3,920.13 and 8,379.75
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Solution
The third proportional to 3,920.13 and 8,379.75 is: 17,912.75
Step by Step Solution
- Step 1: Write the proportion equation
3,920.13 : 8,379.75 = 8,379.75 : x - Step 2: Convert to fraction form
3,920.13/8,379.75 = 8,379.75/x - Step 3: Cross multiply
3,920.13x = 8,379.75 × 8,379.75 - Step 4: Simplify right side
3,920.13x = 70,220,210.06 - Step 5: Solve for x
x = 70,220,210.06/3,920.13 - Step 6: Final answer
x = 17,912.75
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.