Finding the Third Proportional to 135,031.50 and 217,509.75
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Solution
The third proportional to 135,031.50 and 217,509.75 is: 350,366.33
Step by Step Solution
- Step 1: Write the proportion equation
135,031.50 : 217,509.75 = 217,509.75 : x - Step 2: Convert to fraction form
135,031.50/217,509.75 = 217,509.75/x - Step 3: Cross multiply
135,031.50x = 217,509.75 × 217,509.75 - Step 4: Simplify right side
135,031.50x = 47,310,491,345.06 - Step 5: Solve for x
x = 47,310,491,345.06/135,031.50 - Step 6: Final answer
x = 350,366.33
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.