Finding the Third Proportional to 1,960 and 2,660
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Solution
The third proportional to 1,960 and 2,660 is: 3,610
Step by Step Solution
- Step 1: Write the proportion equation
1,960 : 2,660 = 2,660 : x - Step 2: Convert to fraction form
1,960/2,660 = 2,660/x - Step 3: Cross multiply
1,960x = 2,660 × 2,660 - Step 4: Simplify right side
1,960x = 7,075,600 - Step 5: Solve for x
x = 7,075,600/1,960 - Step 6: Final answer
x = 3,610
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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.