Finding the Third Proportional to 8,742.75 and 18,867.75
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Solution
The third proportional to 8,742.75 and 18,867.75 is: 40,718.54
Step by Step Solution
- Step 1: Write the proportion equation
8,742.75 : 18,867.75 = 18,867.75 : x - Step 2: Convert to fraction form
8,742.75/18,867.75 = 18,867.75/x - Step 3: Cross multiply
8,742.75x = 18,867.75 × 18,867.75 - Step 4: Simplify right side
8,742.75x = 355,991,990.06 - Step 5: Solve for x
x = 355,991,990.06/8,742.75 - Step 6: Final answer
x = 40,718.54
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.