Finding the Third Proportional to 420,589.97 and 912,166.31
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Solution
The third proportional to 420,589.97 and 912,166.31 is: 1,978,286.32
Step by Step Solution
- Step 1: Write the proportion equation
420,589.97 : 912,166.31 = 912,166.31 : x - Step 2: Convert to fraction form
420,589.97/912,166.31 = 912,166.31/x - Step 3: Cross multiply
420,589.97x = 912,166.31 × 912,166.31 - Step 4: Simplify right side
420,589.97x = 832,047,381,659.85 - Step 5: Solve for x
x = 832,047,381,659.85/420,589.97 - Step 6: Final answer
x = 1,978,286.32
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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.