Finding the Third Proportional to 20,988 and 32,758.50
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Solution
The third proportional to 20,988 and 32,758.50 is: 51,130.14
Step by Step Solution
- Step 1: Write the proportion equation
20,988 : 32,758.50 = 32,758.50 : x - Step 2: Convert to fraction form
20,988/32,758.50 = 32,758.50/x - Step 3: Cross multiply
20,988x = 32,758.50 × 32,758.50 - Step 4: Simplify right side
20,988x = 1,073,119,322.25 - Step 5: Solve for x
x = 1,073,119,322.25/20,988 - Step 6: Final answer
x = 51,130.14
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.