Finding the Third Proportional to 120,490.13 and 261,722.06
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Solution
The third proportional to 120,490.13 and 261,722.06 is: 568,498.36
Step by Step Solution
- Step 1: Write the proportion equation
120,490.13 : 261,722.06 = 261,722.06 : x - Step 2: Convert to fraction form
120,490.13/261,722.06 = 261,722.06/x - Step 3: Cross multiply
120,490.13x = 261,722.06 × 261,722.06 - Step 4: Simplify right side
120,490.13x = 68,498,437,999.25 - Step 5: Solve for x
x = 68,498,437,999.25/120,490.13 - Step 6: Final answer
x = 568,498.36
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.