Finding the Third Proportional to 1,918 and 5,200
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Solution
The third proportional to 1,918 and 5,200 is: 14,098.02
Step by Step Solution
- Step 1: Write the proportion equation
1,918 : 5,200 = 5,200 : x - Step 2: Convert to fraction form
1,918/5,200 = 5,200/x - Step 3: Cross multiply
1,918x = 5,200 × 5,200 - Step 4: Simplify right side
1,918x = 27,040,000 - Step 5: Solve for x
x = 27,040,000/1,918 - Step 6: Final answer
x = 14,098.02
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Why These Related Problems?
These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.