Finding the Third Proportional to 543 and 637.50
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Solution
The third proportional to 543 and 637.50 is: 748.45
Step by Step Solution
- Step 1: Write the proportion equation
543 : 637.50 = 637.50 : x - Step 2: Convert to fraction form
543/637.50 = 637.50/x - Step 3: Cross multiply
543x = 637.50 × 637.50 - Step 4: Simplify right side
543x = 406,406.25 - Step 5: Solve for x
x = 406,406.25/543 - Step 6: Final answer
x = 748.45
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These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.