Finding the Third Proportional to 258,805.13 and 397,644.19
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Solution
The third proportional to 258,805.13 and 397,644.19 is: 610,965.10
Step by Step Solution
- Step 1: Write the proportion equation
258,805.13 : 397,644.19 = 397,644.19 : x - Step 2: Convert to fraction form
258,805.13/397,644.19 = 397,644.19/x - Step 3: Cross multiply
258,805.13x = 397,644.19 × 397,644.19 - Step 4: Simplify right side
258,805.13x = 158,120,899,852.54 - Step 5: Solve for x
x = 158,120,899,852.54/258,805.13 - Step 6: Final answer
x = 610,965.10
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.