Finding the Third Proportional to 221,776.50 and 339,316.50
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Solution
The third proportional to 221,776.50 and 339,316.50 is: 519,151.88
Step by Step Solution
- Step 1: Write the proportion equation
221,776.50 : 339,316.50 = 339,316.50 : x - Step 2: Convert to fraction form
221,776.50/339,316.50 = 339,316.50/x - Step 3: Cross multiply
221,776.50x = 339,316.50 × 339,316.50 - Step 4: Simplify right side
221,776.50x = 115,135,687,172.25 - Step 5: Solve for x
x = 115,135,687,172.25/221,776.50 - Step 6: Final answer
x = 519,151.88
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.