Finding the Third Proportional to 74,414.25 and 163,281.09
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Solution
The third proportional to 74,414.25 and 163,281.09 is: 358,274.33
Step by Step Solution
- Step 1: Write the proportion equation
74,414.25 : 163,281.09 = 163,281.09 : x - Step 2: Convert to fraction form
74,414.25/163,281.09 = 163,281.09/x - Step 3: Cross multiply
74,414.25x = 163,281.09 × 163,281.09 - Step 4: Simplify right side
74,414.25x = 26,660,715,576.20 - Step 5: Solve for x
x = 26,660,715,576.20/74,414.25 - Step 6: Final answer
x = 358,274.33
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.