Finding the Third Proportional to 1,779 and 3,877
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Solution
The third proportional to 1,779 and 3,877 is: 8,449.20
Step by Step Solution
- Step 1: Write the proportion equation
1,779 : 3,877 = 3,877 : x - Step 2: Convert to fraction form
1,779/3,877 = 3,877/x - Step 3: Cross multiply
1,779x = 3,877 × 3,877 - Step 4: Simplify right side
1,779x = 15,031,129 - Step 5: Solve for x
x = 15,031,129/1,779 - Step 6: Final answer
x = 8,449.20
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.