Finding the Third Proportional to 211,413.38 and 323,817.75
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Solution
The third proportional to 211,413.38 and 323,817.75 is: 495,985.34
Step by Step Solution
- Step 1: Write the proportion equation
211,413.38 : 323,817.75 = 323,817.75 : x - Step 2: Convert to fraction form
211,413.38/323,817.75 = 323,817.75/x - Step 3: Cross multiply
211,413.38x = 323,817.75 × 323,817.75 - Step 4: Simplify right side
211,413.38x = 104,857,935,215.06 - Step 5: Solve for x
x = 104,857,935,215.06/211,413.38 - Step 6: Final answer
x = 495,985.34
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.