Finding the Third Proportional to 456 and 751.50
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Solution
The third proportional to 456 and 751.50 is: 1,238.49
Step by Step Solution
- Step 1: Write the proportion equation
456 : 751.50 = 751.50 : x - Step 2: Convert to fraction form
456/751.50 = 751.50/x - Step 3: Cross multiply
456x = 751.50 × 751.50 - Step 4: Simplify right side
456x = 564,752.25 - Step 5: Solve for x
x = 564,752.25/456 - Step 6: Final answer
x = 1,238.49
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.