Finding the Third Proportional to 259,173.75 and 405,679.75
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Solution
The third proportional to 259,173.75 and 405,679.75 is: 635,002.81
Step by Step Solution
- Step 1: Write the proportion equation
259,173.75 : 405,679.75 = 405,679.75 : x - Step 2: Convert to fraction form
259,173.75/405,679.75 = 405,679.75/x - Step 3: Cross multiply
259,173.75x = 405,679.75 × 405,679.75 - Step 4: Simplify right side
259,173.75x = 164,576,059,560.06 - Step 5: Solve for x
x = 164,576,059,560.06/259,173.75 - Step 6: Final answer
x = 635,002.81
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.