Finding the Third Proportional to 340,113.38 and 491,658.75
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Solution
The third proportional to 340,113.38 and 491,658.75 is: 710,728.67
Step by Step Solution
- Step 1: Write the proportion equation
340,113.38 : 491,658.75 = 491,658.75 : x - Step 2: Convert to fraction form
340,113.38/491,658.75 = 491,658.75/x - Step 3: Cross multiply
340,113.38x = 491,658.75 × 491,658.75 - Step 4: Simplify right side
340,113.38x = 241,728,326,451.56 - Step 5: Solve for x
x = 241,728,326,451.56/340,113.38 - Step 6: Final answer
x = 710,728.67
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.