Finding the Third Proportional to 455,028 and 978,744
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Solution
The third proportional to 455,028 and 978,744 is: 2,105,232.68
Step by Step Solution
- Step 1: Write the proportion equation
455,028 : 978,744 = 978,744 : x - Step 2: Convert to fraction form
455,028/978,744 = 978,744/x - Step 3: Cross multiply
455,028x = 978,744 × 978,744 - Step 4: Simplify right side
455,028x = 957,939,817,536 - Step 5: Solve for x
x = 957,939,817,536/455,028 - Step 6: Final answer
x = 2,105,232.68
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.