Finding the Third Proportional to 372 and 792.50
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Solution
The third proportional to 372 and 792.50 is: 1,688.32
Step by Step Solution
- Step 1: Write the proportion equation
372 : 792.50 = 792.50 : x - Step 2: Convert to fraction form
372/792.50 = 792.50/x - Step 3: Cross multiply
372x = 792.50 × 792.50 - Step 4: Simplify right side
372x = 628,056.25 - Step 5: Solve for x
x = 628,056.25/372 - Step 6: Final answer
x = 1,688.32
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.