Finding the Third Proportional to 7,775 and 8,999
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Solution
The third proportional to 7,775 and 8,999 is: 10,415.69
Step by Step Solution
- Step 1: Write the proportion equation
7,775 : 8,999 = 8,999 : x - Step 2: Convert to fraction form
7,775/8,999 = 8,999/x - Step 3: Cross multiply
7,775x = 8,999 × 8,999 - Step 4: Simplify right side
7,775x = 80,982,001 - Step 5: Solve for x
x = 80,982,001/7,775 - Step 6: Final answer
x = 10,415.69
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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.