Finding the Third Proportional to 2,470 and 5,372
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Solution
The third proportional to 2,470 and 5,372 is: 11,683.56
Step by Step Solution
- Step 1: Write the proportion equation
2,470 : 5,372 = 5,372 : x - Step 2: Convert to fraction form
2,470/5,372 = 5,372/x - Step 3: Cross multiply
2,470x = 5,372 × 5,372 - Step 4: Simplify right side
2,470x = 28,858,384 - Step 5: Solve for x
x = 28,858,384/2,470 - Step 6: Final answer
x = 11,683.56
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.