Finding the Third Proportional to 393.50 and 1,014.50
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Solution
The third proportional to 393.50 and 1,014.50 is: 2,615.53
Step by Step Solution
- Step 1: Write the proportion equation
393.50 : 1,014.50 = 1,014.50 : x - Step 2: Convert to fraction form
393.50/1,014.50 = 1,014.50/x - Step 3: Cross multiply
393.50x = 1,014.50 × 1,014.50 - Step 4: Simplify right side
393.50x = 1,029,210.25 - Step 5: Solve for x
x = 1,029,210.25/393.50 - Step 6: Final answer
x = 2,615.53
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Why These Related Problems?
These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.