Finding the Third Proportional to 20,976 and 45,637.50
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Solution
The third proportional to 20,976 and 45,637.50 is: 99,293.55
Step by Step Solution
- Step 1: Write the proportion equation
20,976 : 45,637.50 = 45,637.50 : x - Step 2: Convert to fraction form
20,976/45,637.50 = 45,637.50/x - Step 3: Cross multiply
20,976x = 45,637.50 × 45,637.50 - Step 4: Simplify right side
20,976x = 2,082,781,406.25 - Step 5: Solve for x
x = 2,082,781,406.25/20,976 - Step 6: Final answer
x = 99,293.55
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.