Finding the Third Proportional to 8,408 and 13,000
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Solution
The third proportional to 8,408 and 13,000 is: 20,099.90
Step by Step Solution
- Step 1: Write the proportion equation
8,408 : 13,000 = 13,000 : x - Step 2: Convert to fraction form
8,408/13,000 = 13,000/x - Step 3: Cross multiply
8,408x = 13,000 × 13,000 - Step 4: Simplify right side
8,408x = 169,000,000 - Step 5: Solve for x
x = 169,000,000/8,408 - Step 6: Final answer
x = 20,099.90
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.