Finding the Third Proportional to 178 and 416.25
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Solution
The third proportional to 178 and 416.25 is: 973.39
Step by Step Solution
- Step 1: Write the proportion equation
178 : 416.25 = 416.25 : x - Step 2: Convert to fraction form
178/416.25 = 416.25/x - Step 3: Cross multiply
178x = 416.25 × 416.25 - Step 4: Simplify right side
178x = 173,264.06 - Step 5: Solve for x
x = 173,264.06/178 - Step 6: Final answer
x = 973.39
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.