Finding the Third Proportional to 261,615.75 and 392,423.75
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Solution
The third proportional to 261,615.75 and 392,423.75 is: 588,635.81
Step by Step Solution
- Step 1: Write the proportion equation
261,615.75 : 392,423.75 = 392,423.75 : x - Step 2: Convert to fraction form
261,615.75/392,423.75 = 392,423.75/x - Step 3: Cross multiply
261,615.75x = 392,423.75 × 392,423.75 - Step 4: Simplify right side
261,615.75x = 153,996,399,564.06 - Step 5: Solve for x
x = 153,996,399,564.06/261,615.75 - Step 6: Final answer
x = 588,635.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.