Finding the Third Proportional to 128,508.75 and 278,469.75
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Solution
The third proportional to 128,508.75 and 278,469.75 is: 603,425.07
Step by Step Solution
- Step 1: Write the proportion equation
128,508.75 : 278,469.75 = 278,469.75 : x - Step 2: Convert to fraction form
128,508.75/278,469.75 = 278,469.75/x - Step 3: Cross multiply
128,508.75x = 278,469.75 × 278,469.75 - Step 4: Simplify right side
128,508.75x = 77,545,401,665.06 - Step 5: Solve for x
x = 77,545,401,665.06/128,508.75 - Step 6: Final answer
x = 603,425.07
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.