Finding the Third Proportional to 836.50 and 1,931.50
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Solution
The third proportional to 836.50 and 1,931.50 is: 4,459.88
Step by Step Solution
- Step 1: Write the proportion equation
836.50 : 1,931.50 = 1,931.50 : x - Step 2: Convert to fraction form
836.50/1,931.50 = 1,931.50/x - Step 3: Cross multiply
836.50x = 1,931.50 × 1,931.50 - Step 4: Simplify right side
836.50x = 3,730,692.25 - Step 5: Solve for x
x = 3,730,692.25/836.50 - Step 6: Final answer
x = 4,459.88
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These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.