Finding the Third Proportional to 10,739 and 15,123
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Solution
The third proportional to 10,739 and 15,123 is: 21,296.69
Step by Step Solution
- Step 1: Write the proportion equation
10,739 : 15,123 = 15,123 : x - Step 2: Convert to fraction form
10,739/15,123 = 15,123/x - Step 3: Cross multiply
10,739x = 15,123 × 15,123 - Step 4: Simplify right side
10,739x = 228,705,129 - Step 5: Solve for x
x = 228,705,129/10,739 - Step 6: Final answer
x = 21,296.69
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.