Finding the Third Proportional to 7,872.19 and 12,246.19
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Solution
The third proportional to 7,872.19 and 12,246.19 is: 19,050.50
Step by Step Solution
- Step 1: Write the proportion equation
7,872.19 : 12,246.19 = 12,246.19 : x - Step 2: Convert to fraction form
7,872.19/12,246.19 = 12,246.19/x - Step 3: Cross multiply
7,872.19x = 12,246.19 × 12,246.19 - Step 4: Simplify right side
7,872.19x = 149,969,108.29 - Step 5: Solve for x
x = 149,969,108.29/7,872.19 - Step 6: Final answer
x = 19,050.50
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.