Finding the Third Proportional to 74,149.75 and 159,963.75
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Solution
The third proportional to 74,149.75 and 159,963.75 is: 345,090.86
Step by Step Solution
- Step 1: Write the proportion equation
74,149.75 : 159,963.75 = 159,963.75 : x - Step 2: Convert to fraction form
74,149.75/159,963.75 = 159,963.75/x - Step 3: Cross multiply
74,149.75x = 159,963.75 × 159,963.75 - Step 4: Simplify right side
74,149.75x = 25,588,401,314.06 - Step 5: Solve for x
x = 25,588,401,314.06/74,149.75 - Step 6: Final answer
x = 345,090.86
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.