Finding the Third Proportional to 89 and 240.50
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Solution
The third proportional to 89 and 240.50 is: 649.89
Step by Step Solution
- Step 1: Write the proportion equation
89 : 240.50 = 240.50 : x - Step 2: Convert to fraction form
89/240.50 = 240.50/x - Step 3: Cross multiply
89x = 240.50 × 240.50 - Step 4: Simplify right side
89x = 57,840.25 - Step 5: Solve for x
x = 57,840.25/89 - Step 6: Final answer
x = 649.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.