Finding the Third Proportional to 5,553.75 and 11,421.75
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Solution
The third proportional to 5,553.75 and 11,421.75 is: 23,489.78
Step by Step Solution
- Step 1: Write the proportion equation
5,553.75 : 11,421.75 = 11,421.75 : x - Step 2: Convert to fraction form
5,553.75/11,421.75 = 11,421.75/x - Step 3: Cross multiply
5,553.75x = 11,421.75 × 11,421.75 - Step 4: Simplify right side
5,553.75x = 130,456,373.06 - Step 5: Solve for x
x = 130,456,373.06/5,553.75 - Step 6: Final answer
x = 23,489.78
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.