Finding the Third Proportional to 30,012 and 42,754.50
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Solution
The third proportional to 30,012 and 42,754.50 is: 60,907.21
Step by Step Solution
- Step 1: Write the proportion equation
30,012 : 42,754.50 = 42,754.50 : x - Step 2: Convert to fraction form
30,012/42,754.50 = 42,754.50/x - Step 3: Cross multiply
30,012x = 42,754.50 × 42,754.50 - Step 4: Simplify right side
30,012x = 1,827,947,270.25 - Step 5: Solve for x
x = 1,827,947,270.25/30,012 - Step 6: Final answer
x = 60,907.21
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.