Finding the Third Proportional to 4,805 and 7,021
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Solution
The third proportional to 4,805 and 7,021 is: 10,258.99
Step by Step Solution
- Step 1: Write the proportion equation
4,805 : 7,021 = 7,021 : x - Step 2: Convert to fraction form
4,805/7,021 = 7,021/x - Step 3: Cross multiply
4,805x = 7,021 × 7,021 - Step 4: Simplify right side
4,805x = 49,294,441 - Step 5: Solve for x
x = 49,294,441/4,805 - Step 6: Final answer
x = 10,258.99
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.