Finding the Third Proportional to 523 and 1,128.75
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Solution
The third proportional to 523 and 1,128.75 is: 2,436.09
Step by Step Solution
- Step 1: Write the proportion equation
523 : 1,128.75 = 1,128.75 : x - Step 2: Convert to fraction form
523/1,128.75 = 1,128.75/x - Step 3: Cross multiply
523x = 1,128.75 × 1,128.75 - Step 4: Simplify right side
523x = 1,274,076.56 - Step 5: Solve for x
x = 1,274,076.56/523 - Step 6: Final answer
x = 2,436.09
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.