Finding the Third Proportional to 340 and 555
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Solution
The third proportional to 340 and 555 is: 905.96
Step by Step Solution
- Step 1: Write the proportion equation
340 : 555 = 555 : x - Step 2: Convert to fraction form
340/555 = 555/x - Step 3: Cross multiply
340x = 555 × 555 - Step 4: Simplify right side
340x = 308,025 - Step 5: Solve for x
x = 308,025/340 - Step 6: Final answer
x = 905.96
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.