Finding the Third Proportional to 138,400.31 and 207,599.91
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Solution
The third proportional to 138,400.31 and 207,599.91 is: 311,399.02
Step by Step Solution
- Step 1: Write the proportion equation
138,400.31 : 207,599.91 = 207,599.91 : x - Step 2: Convert to fraction form
138,400.31/207,599.91 = 207,599.91/x - Step 3: Cross multiply
138,400.31x = 207,599.91 × 207,599.91 - Step 4: Simplify right side
138,400.31x = 43,097,721,075.01 - Step 5: Solve for x
x = 43,097,721,075.01/138,400.31 - Step 6: Final answer
x = 311,399.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.