Finding the Third Proportional to 1,491 and 3,258
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Solution
The third proportional to 1,491 and 3,258 is: 7,119.09
Step by Step Solution
- Step 1: Write the proportion equation
1,491 : 3,258 = 3,258 : x - Step 2: Convert to fraction form
1,491/3,258 = 3,258/x - Step 3: Cross multiply
1,491x = 3,258 × 3,258 - Step 4: Simplify right side
1,491x = 10,614,564 - Step 5: Solve for x
x = 10,614,564/1,491 - Step 6: Final answer
x = 7,119.09
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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.