Finding the Third Proportional to 6,386 and 10,155
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Solution
The third proportional to 6,386 and 10,155 is: 16,148.45
Step by Step Solution
- Step 1: Write the proportion equation
6,386 : 10,155 = 10,155 : x - Step 2: Convert to fraction form
6,386/10,155 = 10,155/x - Step 3: Cross multiply
6,386x = 10,155 × 10,155 - Step 4: Simplify right side
6,386x = 103,124,025 - Step 5: Solve for x
x = 103,124,025/6,386 - Step 6: Final answer
x = 16,148.45
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.