Finding the Third Proportional to 207,321.19 and 436,780.69
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Solution
The third proportional to 207,321.19 and 436,780.69 is: 920,201.99
Step by Step Solution
- Step 1: Write the proportion equation
207,321.19 : 436,780.69 = 436,780.69 : x - Step 2: Convert to fraction form
207,321.19/436,780.69 = 436,780.69/x - Step 3: Cross multiply
207,321.19x = 436,780.69 × 436,780.69 - Step 4: Simplify right side
207,321.19x = 190,777,368,972.97 - Step 5: Solve for x
x = 190,777,368,972.97/207,321.19 - Step 6: Final answer
x = 920,201.99
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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.