Finding the Third Proportional to 20,715.75 and 38,652.19
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Solution
The third proportional to 20,715.75 and 38,652.19 is: 72,118.63
Step by Step Solution
- Step 1: Write the proportion equation
20,715.75 : 38,652.19 = 38,652.19 : x - Step 2: Convert to fraction form
20,715.75/38,652.19 = 38,652.19/x - Step 3: Cross multiply
20,715.75x = 38,652.19 × 38,652.19 - Step 4: Simplify right side
20,715.75x = 1,493,991,598.54 - Step 5: Solve for x
x = 1,493,991,598.54/20,715.75 - Step 6: Final answer
x = 72,118.63
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These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.