Finding the Third Proportional to 138,188.81 and 292,984.31
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Solution
The third proportional to 138,188.81 and 292,984.31 is: 621,177.69
Step by Step Solution
- Step 1: Write the proportion equation
138,188.81 : 292,984.31 = 292,984.31 : x - Step 2: Convert to fraction form
138,188.81/292,984.31 = 292,984.31/x - Step 3: Cross multiply
138,188.81x = 292,984.31 × 292,984.31 - Step 4: Simplify right side
138,188.81x = 85,839,807,371.10 - Step 5: Solve for x
x = 85,839,807,371.10/138,188.81 - Step 6: Final answer
x = 621,177.69
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.