Finding the Third Proportional to 140,028.50 and 212,631.75
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Solution
The third proportional to 140,028.50 and 212,631.75 is: 322,878.99
Step by Step Solution
- Step 1: Write the proportion equation
140,028.50 : 212,631.75 = 212,631.75 : x - Step 2: Convert to fraction form
140,028.50/212,631.75 = 212,631.75/x - Step 3: Cross multiply
140,028.50x = 212,631.75 × 212,631.75 - Step 4: Simplify right side
140,028.50x = 45,212,261,108.06 - Step 5: Solve for x
x = 45,212,261,108.06/140,028.50 - Step 6: Final answer
x = 322,878.99
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.