Finding the Third Proportional to 157,987.13 and 338,208.75
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Solution
The third proportional to 157,987.13 and 338,208.75 is: 724,015.70
Step by Step Solution
- Step 1: Write the proportion equation
157,987.13 : 338,208.75 = 338,208.75 : x - Step 2: Convert to fraction form
157,987.13/338,208.75 = 338,208.75/x - Step 3: Cross multiply
157,987.13x = 338,208.75 × 338,208.75 - Step 4: Simplify right side
157,987.13x = 114,385,158,576.56 - Step 5: Solve for x
x = 114,385,158,576.56/157,987.13 - Step 6: Final answer
x = 724,015.70
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.