Finding the Third Proportional to 74.13 and 97.44
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Solution
The third proportional to 74.13 and 97.44 is: 128.08
Step by Step Solution
- Step 1: Write the proportion equation
74.13 : 97.44 = 97.44 : x - Step 2: Convert to fraction form
74.13/97.44 = 97.44/x - Step 3: Cross multiply
74.13x = 97.44 × 97.44 - Step 4: Simplify right side
74.13x = 9,494.07 - Step 5: Solve for x
x = 9,494.07/74.13 - Step 6: Final answer
x = 128.08
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.