Finding the Third Proportional to 7,621.75 and 18,358.84
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Solution
The third proportional to 7,621.75 and 18,358.84 is: 44,221.72
Step by Step Solution
- Step 1: Write the proportion equation
7,621.75 : 18,358.84 = 18,358.84 : x - Step 2: Convert to fraction form
7,621.75/18,358.84 = 18,358.84/x - Step 3: Cross multiply
7,621.75x = 18,358.84 × 18,358.84 - Step 4: Simplify right side
7,621.75x = 337,047,000.41 - Step 5: Solve for x
x = 337,047,000.41/7,621.75 - Step 6: Final answer
x = 44,221.72
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Why These Related Problems?
These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.