Finding the Third Proportional to 9,879.75 and 15,639.75
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Solution
The third proportional to 9,879.75 and 15,639.75 is: 24,757.89
Step by Step Solution
- Step 1: Write the proportion equation
9,879.75 : 15,639.75 = 15,639.75 : x - Step 2: Convert to fraction form
9,879.75/15,639.75 = 15,639.75/x - Step 3: Cross multiply
9,879.75x = 15,639.75 × 15,639.75 - Step 4: Simplify right side
9,879.75x = 244,601,780.06 - Step 5: Solve for x
x = 244,601,780.06/9,879.75 - Step 6: Final answer
x = 24,757.89
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.