Finding the Third Proportional to 258,006.20 and 555,339.96
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Solution
The third proportional to 258,006.20 and 555,339.96 is: 1,195,329.67
Step by Step Solution
- Step 1: Write the proportion equation
258,006.20 : 555,339.96 = 555,339.96 : x - Step 2: Convert to fraction form
258,006.20/555,339.96 = 555,339.96/x - Step 3: Cross multiply
258,006.20x = 555,339.96 × 555,339.96 - Step 4: Simplify right side
258,006.20x = 308,402,465,706.17 - Step 5: Solve for x
x = 308,402,465,706.17/258,006.20 - Step 6: Final answer
x = 1,195,329.67
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.