Finding the Third Proportional to 317 and 540
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Solution
The third proportional to 317 and 540 is: 919.87
Step by Step Solution
- Step 1: Write the proportion equation
317 : 540 = 540 : x - Step 2: Convert to fraction form
317/540 = 540/x - Step 3: Cross multiply
317x = 540 × 540 - Step 4: Simplify right side
317x = 291,600 - Step 5: Solve for x
x = 291,600/317 - Step 6: Final answer
x = 919.87
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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.