Finding the Third Proportional to 355 and 624.50
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Solution
The third proportional to 355 and 624.50 is: 1,098.59
Step by Step Solution
- Step 1: Write the proportion equation
355 : 624.50 = 624.50 : x - Step 2: Convert to fraction form
355/624.50 = 624.50/x - Step 3: Cross multiply
355x = 624.50 × 624.50 - Step 4: Simplify right side
355x = 390,000.25 - Step 5: Solve for x
x = 390,000.25/355 - Step 6: Final answer
x = 1,098.59
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Why These Related Problems?
These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.