Finding the Third Proportional to 275,698.13 and 421,657.75
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Solution
The third proportional to 275,698.13 and 421,657.75 is: 644,891.07
Step by Step Solution
- Step 1: Write the proportion equation
275,698.13 : 421,657.75 = 421,657.75 : x - Step 2: Convert to fraction form
275,698.13/421,657.75 = 421,657.75/x - Step 3: Cross multiply
275,698.13x = 421,657.75 × 421,657.75 - Step 4: Simplify right side
275,698.13x = 177,795,258,135.06 - Step 5: Solve for x
x = 177,795,258,135.06/275,698.13 - Step 6: Final answer
x = 644,891.07
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.