Finding the Third Proportional to 5,389.88 and 8,133.75
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Solution
The third proportional to 5,389.88 and 8,133.75 is: 12,274.48
Step by Step Solution
- Step 1: Write the proportion equation
5,389.88 : 8,133.75 = 8,133.75 : x - Step 2: Convert to fraction form
5,389.88/8,133.75 = 8,133.75/x - Step 3: Cross multiply
5,389.88x = 8,133.75 × 8,133.75 - Step 4: Simplify right side
5,389.88x = 66,157,889.06 - Step 5: Solve for x
x = 66,157,889.06/5,389.88 - Step 6: Final answer
x = 12,274.48
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.