Finding the Third Proportional to 178,726.50 and 392,991.75
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Solution
The third proportional to 178,726.50 and 392,991.75 is: 864,127.68
Step by Step Solution
- Step 1: Write the proportion equation
178,726.50 : 392,991.75 = 392,991.75 : x - Step 2: Convert to fraction form
178,726.50/392,991.75 = 392,991.75/x - Step 3: Cross multiply
178,726.50x = 392,991.75 × 392,991.75 - Step 4: Simplify right side
178,726.50x = 154,442,515,568.06 - Step 5: Solve for x
x = 154,442,515,568.06/178,726.50 - Step 6: Final answer
x = 864,127.68
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.