Finding the Third Proportional to 489,745.13 and 717,850.69
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Solution
The third proportional to 489,745.13 and 717,850.69 is: 1,052,199.57
Step by Step Solution
- Step 1: Write the proportion equation
489,745.13 : 717,850.69 = 717,850.69 : x - Step 2: Convert to fraction form
489,745.13/717,850.69 = 717,850.69/x - Step 3: Cross multiply
489,745.13x = 717,850.69 × 717,850.69 - Step 4: Simplify right side
489,745.13x = 515,309,609,544.22 - Step 5: Solve for x
x = 515,309,609,544.22/489,745.13 - Step 6: Final answer
x = 1,052,199.57
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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.