Finding the Third Proportional to 20,820 and 32,863.50
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Solution
The third proportional to 20,820 and 32,863.50 is: 51,873.66
Step by Step Solution
- Step 1: Write the proportion equation
20,820 : 32,863.50 = 32,863.50 : x - Step 2: Convert to fraction form
20,820/32,863.50 = 32,863.50/x - Step 3: Cross multiply
20,820x = 32,863.50 × 32,863.50 - Step 4: Simplify right side
20,820x = 1,080,009,632.25 - Step 5: Solve for x
x = 1,080,009,632.25/20,820 - Step 6: Final answer
x = 51,873.66
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.