Finding the Third Proportional to 579,839.75 and 877,779.50
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Solution
The third proportional to 579,839.75 and 877,779.50 is: 1,328,809.99
Step by Step Solution
- Step 1: Write the proportion equation
579,839.75 : 877,779.50 = 877,779.50 : x - Step 2: Convert to fraction form
579,839.75/877,779.50 = 877,779.50/x - Step 3: Cross multiply
579,839.75x = 877,779.50 × 877,779.50 - Step 4: Simplify right side
579,839.75x = 770,496,850,620.25 - Step 5: Solve for x
x = 770,496,850,620.25/579,839.75 - Step 6: Final answer
x = 1,328,809.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.