Finding the Third Proportional to 121,621.50 and 187,201.13
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Solution
The third proportional to 121,621.50 and 187,201.13 is: 288,141.99
Step by Step Solution
- Step 1: Write the proportion equation
121,621.50 : 187,201.13 = 187,201.13 : x - Step 2: Convert to fraction form
121,621.50/187,201.13 = 187,201.13/x - Step 3: Cross multiply
121,621.50x = 187,201.13 × 187,201.13 - Step 4: Simplify right side
121,621.50x = 35,044,261,201.27 - Step 5: Solve for x
x = 35,044,261,201.27/121,621.50 - Step 6: Final answer
x = 288,141.99
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.