Finding the Third Proportional to 202,089.38 and 280,986.19
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Solution
The third proportional to 202,089.38 and 280,986.19 is: 390,684.75
Step by Step Solution
- Step 1: Write the proportion equation
202,089.38 : 280,986.19 = 280,986.19 : x - Step 2: Convert to fraction form
202,089.38/280,986.19 = 280,986.19/x - Step 3: Cross multiply
202,089.38x = 280,986.19 × 280,986.19 - Step 4: Simplify right side
202,089.38x = 78,953,237,565.79 - Step 5: Solve for x
x = 78,953,237,565.79/202,089.38 - Step 6: Final answer
x = 390,684.75
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.