Finding the Third Proportional to 978,540 and 1,377,994
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Solution
The third proportional to 978,540 and 1,377,994 is: 1,940,510.83
Step by Step Solution
- Step 1: Write the proportion equation
978,540 : 1,377,994 = 1,377,994 : x - Step 2: Convert to fraction form
978,540/1,377,994 = 1,377,994/x - Step 3: Cross multiply
978,540x = 1,377,994 × 1,377,994 - Step 4: Simplify right side
978,540x = 1,898,867,464,036 - Step 5: Solve for x
x = 1,898,867,464,036/978,540 - Step 6: Final answer
x = 1,940,510.83
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.