Finding the Third Proportional to 5,130 and 10,908
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Solution
The third proportional to 5,130 and 10,908 is: 23,193.85
Step by Step Solution
- Step 1: Write the proportion equation
5,130 : 10,908 = 10,908 : x - Step 2: Convert to fraction form
5,130/10,908 = 10,908/x - Step 3: Cross multiply
5,130x = 10,908 × 10,908 - Step 4: Simplify right side
5,130x = 118,984,464 - Step 5: Solve for x
x = 118,984,464/5,130 - Step 6: Final answer
x = 23,193.85
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.