Finding the Third Proportional to 2,929.50 and 5,415.19
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Solution
The third proportional to 2,929.50 and 5,415.19 is: 10,009.99
Step by Step Solution
- Step 1: Write the proportion equation
2,929.50 : 5,415.19 = 5,415.19 : x - Step 2: Convert to fraction form
2,929.50/5,415.19 = 5,415.19/x - Step 3: Cross multiply
2,929.50x = 5,415.19 × 5,415.19 - Step 4: Simplify right side
2,929.50x = 29,324,255.66 - Step 5: Solve for x
x = 29,324,255.66/2,929.50 - Step 6: Final answer
x = 10,009.99
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Why These Related Problems?
These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.