Finding the Third Proportional to 280,239.75 and 420,708.94
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Solution
The third proportional to 280,239.75 and 420,708.94 is: 631,587.81
Step by Step Solution
- Step 1: Write the proportion equation
280,239.75 : 420,708.94 = 420,708.94 : x - Step 2: Convert to fraction form
280,239.75/420,708.94 = 420,708.94/x - Step 3: Cross multiply
280,239.75x = 420,708.94 × 420,708.94 - Step 4: Simplify right side
280,239.75x = 176,996,010,092.38 - Step 5: Solve for x
x = 176,996,010,092.38/280,239.75 - Step 6: Final answer
x = 631,587.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.