Finding the Third Proportional to 976.50 and 1,917
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Solution
The third proportional to 976.50 and 1,917 is: 3,763.33
Step by Step Solution
- Step 1: Write the proportion equation
976.50 : 1,917 = 1,917 : x - Step 2: Convert to fraction form
976.50/1,917 = 1,917/x - Step 3: Cross multiply
976.50x = 1,917 × 1,917 - Step 4: Simplify right side
976.50x = 3,674,889 - Step 5: Solve for x
x = 3,674,889/976.50 - Step 6: Final answer
x = 3,763.33
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Why These Related Problems?
These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.