Finding the Third Proportional to 979.50 and 1,752
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Solution
The third proportional to 979.50 and 1,752 is: 3,133.75
Step by Step Solution
- Step 1: Write the proportion equation
979.50 : 1,752 = 1,752 : x - Step 2: Convert to fraction form
979.50/1,752 = 1,752/x - Step 3: Cross multiply
979.50x = 1,752 × 1,752 - Step 4: Simplify right side
979.50x = 3,069,504 - Step 5: Solve for x
x = 3,069,504/979.50 - Step 6: Final answer
x = 3,133.75
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Why These Related Problems?
These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.