Finding the Third Proportional to 38,728.13 and 83,652.75
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Solution
The third proportional to 38,728.13 and 83,652.75 is: 180,689.94
Step by Step Solution
- Step 1: Write the proportion equation
38,728.13 : 83,652.75 = 83,652.75 : x - Step 2: Convert to fraction form
38,728.13/83,652.75 = 83,652.75/x - Step 3: Cross multiply
38,728.13x = 83,652.75 × 83,652.75 - Step 4: Simplify right side
38,728.13x = 6,997,782,582.56 - Step 5: Solve for x
x = 6,997,782,582.56/38,728.13 - Step 6: Final answer
x = 180,689.94
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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.