Finding the Third Proportional to 257,676.75 and 389,337.75
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Solution
The third proportional to 257,676.75 and 389,337.75 is: 588,271.48
Step by Step Solution
- Step 1: Write the proportion equation
257,676.75 : 389,337.75 = 389,337.75 : x - Step 2: Convert to fraction form
257,676.75/389,337.75 = 389,337.75/x - Step 3: Cross multiply
257,676.75x = 389,337.75 × 389,337.75 - Step 4: Simplify right side
257,676.75x = 151,583,883,575.06 - Step 5: Solve for x
x = 151,583,883,575.06/257,676.75 - Step 6: Final answer
x = 588,271.48
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.