Finding the Third Proportional to 8,791,680 and 18,528,000
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Solution
The third proportional to 8,791,680 and 18,528,000 is: 39,046,778.77
Step by Step Solution
- Step 1: Write the proportion equation
8,791,680 : 18,528,000 = 18,528,000 : x - Step 2: Convert to fraction form
8,791,680/18,528,000 = 18,528,000/x - Step 3: Cross multiply
8,791,680x = 18,528,000 × 18,528,000 - Step 4: Simplify right side
8,791,680x = 343,286,784,000,000 - Step 5: Solve for x
x = 343,286,784,000,000/8,791,680 - Step 6: Final answer
x = 39,046,778.77
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.