Finding the Third Proportional to 540 and 636
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Solution
The third proportional to 540 and 636 is: 749.07
Step by Step Solution
- Step 1: Write the proportion equation
540 : 636 = 636 : x - Step 2: Convert to fraction form
540/636 = 636/x - Step 3: Cross multiply
540x = 636 × 636 - Step 4: Simplify right side
540x = 404,496 - Step 5: Solve for x
x = 404,496/540 - Step 6: Final answer
x = 749.07
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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.