Finding the Third Proportional to 472 and 635.50
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Solution
The third proportional to 472 and 635.50 is: 855.64
Step by Step Solution
- Step 1: Write the proportion equation
472 : 635.50 = 635.50 : x - Step 2: Convert to fraction form
472/635.50 = 635.50/x - Step 3: Cross multiply
472x = 635.50 × 635.50 - Step 4: Simplify right side
472x = 403,860.25 - Step 5: Solve for x
x = 403,860.25/472 - Step 6: Final answer
x = 855.64
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.