Finding the Third Proportional to 393,450.75 and 842,721.75
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Solution
The third proportional to 393,450.75 and 842,721.75 is: 1,805,003.42
Step by Step Solution
- Step 1: Write the proportion equation
393,450.75 : 842,721.75 = 842,721.75 : x - Step 2: Convert to fraction form
393,450.75/842,721.75 = 842,721.75/x - Step 3: Cross multiply
393,450.75x = 842,721.75 × 842,721.75 - Step 4: Simplify right side
393,450.75x = 710,179,947,923.06 - Step 5: Solve for x
x = 710,179,947,923.06/393,450.75 - Step 6: Final answer
x = 1,805,003.42
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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.