Finding the Third Proportional to 1,970 and 3,174
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Solution
The third proportional to 1,970 and 3,174 is: 5,113.85
Step by Step Solution
- Step 1: Write the proportion equation
1,970 : 3,174 = 3,174 : x - Step 2: Convert to fraction form
1,970/3,174 = 3,174/x - Step 3: Cross multiply
1,970x = 3,174 × 3,174 - Step 4: Simplify right side
1,970x = 10,074,276 - Step 5: Solve for x
x = 10,074,276/1,970 - Step 6: Final answer
x = 5,113.85
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.