Finding the Third Proportional to 10,290 and 15,429
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Solution
The third proportional to 10,290 and 15,429 is: 23,134.50
Step by Step Solution
- Step 1: Write the proportion equation
10,290 : 15,429 = 15,429 : x - Step 2: Convert to fraction form
10,290/15,429 = 15,429/x - Step 3: Cross multiply
10,290x = 15,429 × 15,429 - Step 4: Simplify right side
10,290x = 238,054,041 - Step 5: Solve for x
x = 238,054,041/10,290 - Step 6: Final answer
x = 23,134.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.