Finding the Third Proportional to 753 and 1,672
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Solution
The third proportional to 753 and 1,672 is: 3,712.59
Step by Step Solution
- Step 1: Write the proportion equation
753 : 1,672 = 1,672 : x - Step 2: Convert to fraction form
753/1,672 = 1,672/x - Step 3: Cross multiply
753x = 1,672 × 1,672 - Step 4: Simplify right side
753x = 2,795,584 - Step 5: Solve for x
x = 2,795,584/753 - Step 6: Final answer
x = 3,712.59
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These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.