Finding the Third Proportional to 429.75 and 1,038
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Solution
The third proportional to 429.75 and 1,038 is: 2,507.14
Step by Step Solution
- Step 1: Write the proportion equation
429.75 : 1,038 = 1,038 : x - Step 2: Convert to fraction form
429.75/1,038 = 1,038/x - Step 3: Cross multiply
429.75x = 1,038 × 1,038 - Step 4: Simplify right side
429.75x = 1,077,444 - Step 5: Solve for x
x = 1,077,444/429.75 - Step 6: Final answer
x = 2,507.14
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These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.