Finding the Third Proportional to 65,747 and 142,000
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Solution
The third proportional to 65,747 and 142,000 is: 306,690.80
Step by Step Solution
- Step 1: Write the proportion equation
65,747 : 142,000 = 142,000 : x - Step 2: Convert to fraction form
65,747/142,000 = 142,000/x - Step 3: Cross multiply
65,747x = 142,000 × 142,000 - Step 4: Simplify right side
65,747x = 20,164,000,000 - Step 5: Solve for x
x = 20,164,000,000/65,747 - Step 6: Final answer
x = 306,690.80
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.