Finding the Third Proportional to 217,320.75 and 319,479.75
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Solution
The third proportional to 217,320.75 and 319,479.75 is: 469,662.06
Step by Step Solution
- Step 1: Write the proportion equation
217,320.75 : 319,479.75 = 319,479.75 : x - Step 2: Convert to fraction form
217,320.75/319,479.75 = 319,479.75/x - Step 3: Cross multiply
217,320.75x = 319,479.75 × 319,479.75 - Step 4: Simplify right side
217,320.75x = 102,067,310,660.06 - Step 5: Solve for x
x = 102,067,310,660.06/217,320.75 - Step 6: Final answer
x = 469,662.06
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.