Finding the Third Proportional to 6,639.75 and 14,379.75
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Solution
The third proportional to 6,639.75 and 14,379.75 is: 31,142.32
Step by Step Solution
- Step 1: Write the proportion equation
6,639.75 : 14,379.75 = 14,379.75 : x - Step 2: Convert to fraction form
6,639.75/14,379.75 = 14,379.75/x - Step 3: Cross multiply
6,639.75x = 14,379.75 × 14,379.75 - Step 4: Simplify right side
6,639.75x = 206,777,210.06 - Step 5: Solve for x
x = 206,777,210.06/6,639.75 - Step 6: Final answer
x = 31,142.32
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.