Finding the Third Proportional to 74,358 and 162,121.50
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Solution
The third proportional to 74,358 and 162,121.50 is: 353,470.79
Step by Step Solution
- Step 1: Write the proportion equation
74,358 : 162,121.50 = 162,121.50 : x - Step 2: Convert to fraction form
74,358/162,121.50 = 162,121.50/x - Step 3: Cross multiply
74,358x = 162,121.50 × 162,121.50 - Step 4: Simplify right side
74,358x = 26,283,380,762.25 - Step 5: Solve for x
x = 26,283,380,762.25/74,358 - Step 6: Final answer
x = 353,470.79
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.