Finding the Third Proportional to 384 and 979.50
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Solution
The third proportional to 384 and 979.50 is: 2,498.49
Step by Step Solution
- Step 1: Write the proportion equation
384 : 979.50 = 979.50 : x - Step 2: Convert to fraction form
384/979.50 = 979.50/x - Step 3: Cross multiply
384x = 979.50 × 979.50 - Step 4: Simplify right side
384x = 959,420.25 - Step 5: Solve for x
x = 959,420.25/384 - Step 6: Final answer
x = 2,498.49
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Why These Related Problems?
These problems maintain the same ratio (2.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.