Finding the Third Proportional to 249 and 432.50
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Solution
The third proportional to 249 and 432.50 is: 751.23
Step by Step Solution
- Step 1: Write the proportion equation
249 : 432.50 = 432.50 : x - Step 2: Convert to fraction form
249/432.50 = 432.50/x - Step 3: Cross multiply
249x = 432.50 × 432.50 - Step 4: Simplify right side
249x = 187,056.25 - Step 5: Solve for x
x = 187,056.25/249 - Step 6: Final answer
x = 751.23
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Why These Related Problems?
These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.