Finding the Third Proportional to 138,456.75 and 207,454.88
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Solution
The third proportional to 138,456.75 and 207,454.88 is: 310,837.32
Step by Step Solution
- Step 1: Write the proportion equation
138,456.75 : 207,454.88 = 207,454.88 : x - Step 2: Convert to fraction form
138,456.75/207,454.88 = 207,454.88/x - Step 3: Cross multiply
138,456.75x = 207,454.88 × 207,454.88 - Step 4: Simplify right side
138,456.75x = 43,037,525,161.27 - Step 5: Solve for x
x = 43,037,525,161.27/138,456.75 - Step 6: Final answer
x = 310,837.32
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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.