Finding the Third Proportional to 1,839 and 2,752.50
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Solution
The third proportional to 1,839 and 2,752.50 is: 4,119.77
Step by Step Solution
- Step 1: Write the proportion equation
1,839 : 2,752.50 = 2,752.50 : x - Step 2: Convert to fraction form
1,839/2,752.50 = 2,752.50/x - Step 3: Cross multiply
1,839x = 2,752.50 × 2,752.50 - Step 4: Simplify right side
1,839x = 7,576,256.25 - Step 5: Solve for x
x = 7,576,256.25/1,839 - Step 6: Final answer
x = 4,119.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.