Finding the Third Proportional to 7,779 and 10,480.50
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Solution
The third proportional to 7,779 and 10,480.50 is: 14,120.18
Step by Step Solution
- Step 1: Write the proportion equation
7,779 : 10,480.50 = 10,480.50 : x - Step 2: Convert to fraction form
7,779/10,480.50 = 10,480.50/x - Step 3: Cross multiply
7,779x = 10,480.50 × 10,480.50 - Step 4: Simplify right side
7,779x = 109,840,880.25 - Step 5: Solve for x
x = 109,840,880.25/7,779 - Step 6: Final answer
x = 14,120.18
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Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.