Finding the Third Proportional to 7,178.50 and 15,395
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Solution
The third proportional to 7,178.50 and 15,395 is: 33,016.09
Step by Step Solution
- Step 1: Write the proportion equation
7,178.50 : 15,395 = 15,395 : x - Step 2: Convert to fraction form
7,178.50/15,395 = 15,395/x - Step 3: Cross multiply
7,178.50x = 15,395 × 15,395 - Step 4: Simplify right side
7,178.50x = 237,006,025 - Step 5: Solve for x
x = 237,006,025/7,178.50 - Step 6: Final answer
x = 33,016.09
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.