Finding the Third Proportional to 307 and 555
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Solution
The third proportional to 307 and 555 is: 1,003.34
Step by Step Solution
- Step 1: Write the proportion equation
307 : 555 = 555 : x - Step 2: Convert to fraction form
307/555 = 555/x - Step 3: Cross multiply
307x = 555 × 555 - Step 4: Simplify right side
307x = 308,025 - Step 5: Solve for x
x = 308,025/307 - Step 6: Final answer
x = 1,003.34
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Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.