Finding the Third Proportional to 1,372 and 1,960
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Solution
The third proportional to 1,372 and 1,960 is: 2,800
Step by Step Solution
- Step 1: Write the proportion equation
1,372 : 1,960 = 1,960 : x - Step 2: Convert to fraction form
1,372/1,960 = 1,960/x - Step 3: Cross multiply
1,372x = 1,960 × 1,960 - Step 4: Simplify right side
1,372x = 3,841,600 - Step 5: Solve for x
x = 3,841,600/1,372 - Step 6: Final answer
x = 2,800
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.