Finding the Third Proportional to 42 and 50.63
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Solution
The third proportional to 42 and 50.63 is: 61.02
Step by Step Solution
- Step 1: Write the proportion equation
42 : 50.63 = 50.63 : x - Step 2: Convert to fraction form
42/50.63 = 50.63/x - Step 3: Cross multiply
42x = 50.63 × 50.63 - Step 4: Simplify right side
42x = 2,562.89 - Step 5: Solve for x
x = 2,562.89/42 - Step 6: Final answer
x = 61.02
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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.