Finding the Third Proportional to 5,660 and 8,490
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Solution
The third proportional to 5,660 and 8,490 is: 12,735
Step by Step Solution
- Step 1: Write the proportion equation
5,660 : 8,490 = 8,490 : x - Step 2: Convert to fraction form
5,660/8,490 = 8,490/x - Step 3: Cross multiply
5,660x = 8,490 × 8,490 - Step 4: Simplify right side
5,660x = 72,080,100 - Step 5: Solve for x
x = 72,080,100/5,660 - Step 6: Final answer
x = 12,735
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.