Finding the Third Proportional to 286.88 and 625.31
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Solution
The third proportional to 286.88 and 625.31 is: 1,363.02
Step by Step Solution
- Step 1: Write the proportion equation
286.88 : 625.31 = 625.31 : x - Step 2: Convert to fraction form
286.88/625.31 = 625.31/x - Step 3: Cross multiply
286.88x = 625.31 × 625.31 - Step 4: Simplify right side
286.88x = 391,015.72 - Step 5: Solve for x
x = 391,015.72/286.88 - Step 6: Final answer
x = 1,363.02
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.