Finding the Third Proportional to 1,065 and 2,130
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Solution
The third proportional to 1,065 and 2,130 is: 4,260
Step by Step Solution
- Step 1: Write the proportion equation
1,065 : 2,130 = 2,130 : x - Step 2: Convert to fraction form
1,065/2,130 = 2,130/x - Step 3: Cross multiply
1,065x = 2,130 × 2,130 - Step 4: Simplify right side
1,065x = 4,536,900 - Step 5: Solve for x
x = 4,536,900/1,065 - Step 6: Final answer
x = 4,260
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.