Finding the Third Proportional to 138,421.13 and 197,942.06
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Solution
The third proportional to 138,421.13 and 197,942.06 is: 283,056.94
Step by Step Solution
- Step 1: Write the proportion equation
138,421.13 : 197,942.06 = 197,942.06 : x - Step 2: Convert to fraction form
138,421.13/197,942.06 = 197,942.06/x - Step 3: Cross multiply
138,421.13x = 197,942.06 × 197,942.06 - Step 4: Simplify right side
138,421.13x = 39,181,060,106.75 - Step 5: Solve for x
x = 39,181,060,106.75/138,421.13 - Step 6: Final answer
x = 283,056.94
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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.