Finding the Third Proportional to 6,639.75 and 15,657.75
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Solution
The third proportional to 6,639.75 and 15,657.75 is: 36,923.85
Step by Step Solution
- Step 1: Write the proportion equation
6,639.75 : 15,657.75 = 15,657.75 : x - Step 2: Convert to fraction form
6,639.75/15,657.75 = 15,657.75/x - Step 3: Cross multiply
6,639.75x = 15,657.75 × 15,657.75 - Step 4: Simplify right side
6,639.75x = 245,165,135.06 - Step 5: Solve for x
x = 245,165,135.06/6,639.75 - Step 6: Final answer
x = 36,923.85
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.