Finding the Third Proportional to 155,423.81 and 278,862.75
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Solution
The third proportional to 155,423.81 and 278,862.75 is: 500,337.96
Step by Step Solution
- Step 1: Write the proportion equation
155,423.81 : 278,862.75 = 278,862.75 : x - Step 2: Convert to fraction form
155,423.81/278,862.75 = 278,862.75/x - Step 3: Cross multiply
155,423.81x = 278,862.75 × 278,862.75 - Step 4: Simplify right side
155,423.81x = 77,764,433,337.56 - Step 5: Solve for x
x = 77,764,433,337.56/155,423.81 - Step 6: Final answer
x = 500,337.96
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Why These Related Problems?
These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.