Finding the Third Proportional to 6,828.75 and 13,929.75
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Solution
The third proportional to 6,828.75 and 13,929.75 is: 28,414.85
Step by Step Solution
- Step 1: Write the proportion equation
6,828.75 : 13,929.75 = 13,929.75 : x - Step 2: Convert to fraction form
6,828.75/13,929.75 = 13,929.75/x - Step 3: Cross multiply
6,828.75x = 13,929.75 × 13,929.75 - Step 4: Simplify right side
6,828.75x = 194,037,935.06 - Step 5: Solve for x
x = 194,037,935.06/6,828.75 - Step 6: Final answer
x = 28,414.85
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.