Finding the Third Proportional to 258,040.13 and 379,455.75
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Solution
The third proportional to 258,040.13 and 379,455.75 is: 558,001.07
Step by Step Solution
- Step 1: Write the proportion equation
258,040.13 : 379,455.75 = 379,455.75 : x - Step 2: Convert to fraction form
258,040.13/379,455.75 = 379,455.75/x - Step 3: Cross multiply
258,040.13x = 379,455.75 × 379,455.75 - Step 4: Simplify right side
258,040.13x = 143,986,666,208.06 - Step 5: Solve for x
x = 143,986,666,208.06/258,040.13 - Step 6: Final answer
x = 558,001.07
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.