Finding the Third Proportional to 8,921.13 and 19,212.63
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Solution
The third proportional to 8,921.13 and 19,212.63 is: 41,376.50
Step by Step Solution
- Step 1: Write the proportion equation
8,921.13 : 19,212.63 = 19,212.63 : x - Step 2: Convert to fraction form
8,921.13/19,212.63 = 19,212.63/x - Step 3: Cross multiply
8,921.13x = 19,212.63 × 19,212.63 - Step 4: Simplify right side
8,921.13x = 369,124,959.39 - Step 5: Solve for x
x = 369,124,959.39/8,921.13 - Step 6: Final answer
x = 41,376.50
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.