Finding the Third Proportional to 2,972 and 4,458
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Solution
The third proportional to 2,972 and 4,458 is: 6,687
Step by Step Solution
- Step 1: Write the proportion equation
2,972 : 4,458 = 4,458 : x - Step 2: Convert to fraction form
2,972/4,458 = 4,458/x - Step 3: Cross multiply
2,972x = 4,458 × 4,458 - Step 4: Simplify right side
2,972x = 19,873,764 - Step 5: Solve for x
x = 19,873,764/2,972 - Step 6: Final answer
x = 6,687
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.