Finding the Third Proportional to 987,520 and 2,115,004
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Solution
The third proportional to 987,520 and 2,115,004 is: 4,529,773.49
Step by Step Solution
- Step 1: Write the proportion equation
987,520 : 2,115,004 = 2,115,004 : x - Step 2: Convert to fraction form
987,520/2,115,004 = 2,115,004/x - Step 3: Cross multiply
987,520x = 2,115,004 × 2,115,004 - Step 4: Simplify right side
987,520x = 4,473,241,920,016 - Step 5: Solve for x
x = 4,473,241,920,016/987,520 - Step 6: Final answer
x = 4,529,773.49
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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.