Finding the Third Proportional to 311,963.81 and 671,213.81
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Solution
The third proportional to 311,963.81 and 671,213.81 is: 1,444,167.45
Step by Step Solution
- Step 1: Write the proportion equation
311,963.81 : 671,213.81 = 671,213.81 : x - Step 2: Convert to fraction form
311,963.81/671,213.81 = 671,213.81/x - Step 3: Cross multiply
311,963.81x = 671,213.81 × 671,213.81 - Step 4: Simplify right side
311,963.81x = 450,527,982,090.79 - Step 5: Solve for x
x = 450,527,982,090.79/311,963.81 - Step 6: Final answer
x = 1,444,167.45
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.