Finding the Third Proportional to 10,221.19 and 16,908.75
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Solution
The third proportional to 10,221.19 and 16,908.75 is: 27,971.88
Step by Step Solution
- Step 1: Write the proportion equation
10,221.19 : 16,908.75 = 16,908.75 : x - Step 2: Convert to fraction form
10,221.19/16,908.75 = 16,908.75/x - Step 3: Cross multiply
10,221.19x = 16,908.75 × 16,908.75 - Step 4: Simplify right side
10,221.19x = 285,905,826.56 - Step 5: Solve for x
x = 285,905,826.56/10,221.19 - Step 6: Final answer
x = 27,971.88
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.