Finding the Third Proportional to 138,420.38 and 197,939.63
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Solution
The third proportional to 138,420.38 and 197,939.63 is: 283,051.50
Step by Step Solution
- Step 1: Write the proportion equation
138,420.38 : 197,939.63 = 197,939.63 : x - Step 2: Convert to fraction form
138,420.38/197,939.63 = 197,939.63/x - Step 3: Cross multiply
138,420.38x = 197,939.63 × 197,939.63 - Step 4: Simplify right side
138,420.38x = 39,180,095,145.14 - Step 5: Solve for x
x = 39,180,095,145.14/138,420.38 - Step 6: Final answer
x = 283,051.50
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.