Finding the Third Proportional to 258,589.13 and 401,415.75
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Solution
The third proportional to 258,589.13 and 401,415.75 is: 623,129.86
Step by Step Solution
- Step 1: Write the proportion equation
258,589.13 : 401,415.75 = 401,415.75 : x - Step 2: Convert to fraction form
258,589.13/401,415.75 = 401,415.75/x - Step 3: Cross multiply
258,589.13x = 401,415.75 × 401,415.75 - Step 4: Simplify right side
258,589.13x = 161,134,604,348.06 - Step 5: Solve for x
x = 161,134,604,348.06/258,589.13 - Step 6: Final answer
x = 623,129.86
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.