Finding the Third Proportional to 530 and 1,412
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Solution
The third proportional to 530 and 1,412 is: 3,761.78
Step by Step Solution
- Step 1: Write the proportion equation
530 : 1,412 = 1,412 : x - Step 2: Convert to fraction form
530/1,412 = 1,412/x - Step 3: Cross multiply
530x = 1,412 × 1,412 - Step 4: Simplify right side
530x = 1,993,744 - Step 5: Solve for x
x = 1,993,744/530 - Step 6: Final answer
x = 3,761.78
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These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.