Finding the Third Proportional to 162,120.75 and 258,990.75
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Solution
The third proportional to 162,120.75 and 258,990.75 is: 413,742.28
Step by Step Solution
- Step 1: Write the proportion equation
162,120.75 : 258,990.75 = 258,990.75 : x - Step 2: Convert to fraction form
162,120.75/258,990.75 = 258,990.75/x - Step 3: Cross multiply
162,120.75x = 258,990.75 × 258,990.75 - Step 4: Simplify right side
162,120.75x = 67,076,208,585.56 - Step 5: Solve for x
x = 67,076,208,585.56/162,120.75 - Step 6: Final answer
x = 413,742.28
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.