Finding the Third Proportional to 2,890.75 and 6,236.75
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Solution
The third proportional to 2,890.75 and 6,236.75 is: 13,455.70
Step by Step Solution
- Step 1: Write the proportion equation
2,890.75 : 6,236.75 = 6,236.75 : x - Step 2: Convert to fraction form
2,890.75/6,236.75 = 6,236.75/x - Step 3: Cross multiply
2,890.75x = 6,236.75 × 6,236.75 - Step 4: Simplify right side
2,890.75x = 38,897,050.56 - Step 5: Solve for x
x = 38,897,050.56/2,890.75 - Step 6: Final answer
x = 13,455.70
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.