Finding the Third Proportional to 18,285.75 and 27,901.13
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Solution
The third proportional to 18,285.75 and 27,901.13 is: 42,572.65
Step by Step Solution
- Step 1: Write the proportion equation
18,285.75 : 27,901.13 = 27,901.13 : x - Step 2: Convert to fraction form
18,285.75/27,901.13 = 27,901.13/x - Step 3: Cross multiply
18,285.75x = 27,901.13 × 27,901.13 - Step 4: Simplify right side
18,285.75x = 778,472,776.27 - Step 5: Solve for x
x = 778,472,776.27/18,285.75 - Step 6: Final answer
x = 42,572.65
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.