Finding the Third Proportional to 129,108.94 and 279,657.56
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Solution
The third proportional to 129,108.94 and 279,657.56 is: 605,754.75
Step by Step Solution
- Step 1: Write the proportion equation
129,108.94 : 279,657.56 = 279,657.56 : x - Step 2: Convert to fraction form
129,108.94/279,657.56 = 279,657.56/x - Step 3: Cross multiply
129,108.94x = 279,657.56 × 279,657.56 - Step 4: Simplify right side
129,108.94x = 78,208,352,263.44 - Step 5: Solve for x
x = 78,208,352,263.44/129,108.94 - Step 6: Final answer
x = 605,754.75
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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.