Finding the Third Proportional to 342.50 and 751
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Solution
The third proportional to 342.50 and 751 is: 1,646.72
Step by Step Solution
- Step 1: Write the proportion equation
342.50 : 751 = 751 : x - Step 2: Convert to fraction form
342.50/751 = 751/x - Step 3: Cross multiply
342.50x = 751 × 751 - Step 4: Simplify right side
342.50x = 564,001 - Step 5: Solve for x
x = 564,001/342.50 - Step 6: Final answer
x = 1,646.72
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.