Finding the Third Proportional to 155,281.50 and 212,145.75
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Solution
The third proportional to 155,281.50 and 212,145.75 is: 289,833.75
Step by Step Solution
- Step 1: Write the proportion equation
155,281.50 : 212,145.75 = 212,145.75 : x - Step 2: Convert to fraction form
155,281.50/212,145.75 = 212,145.75/x - Step 3: Cross multiply
155,281.50x = 212,145.75 × 212,145.75 - Step 4: Simplify right side
155,281.50x = 45,005,819,243.06 - Step 5: Solve for x
x = 45,005,819,243.06/155,281.50 - Step 6: Final answer
x = 289,833.75
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.