Finding the Third Proportional to 418 and 915.50
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Solution
The third proportional to 418 and 915.50 is: 2,005.12
Step by Step Solution
- Step 1: Write the proportion equation
418 : 915.50 = 915.50 : x - Step 2: Convert to fraction form
418/915.50 = 915.50/x - Step 3: Cross multiply
418x = 915.50 × 915.50 - Step 4: Simplify right side
418x = 838,140.25 - Step 5: Solve for x
x = 838,140.25/418 - Step 6: Final answer
x = 2,005.12
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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.