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Finding the Third Proportional to 986,555 and 1,479,965

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Solution

The third proportional to 986,555 and 1,479,965 is: 2,220,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,555 : 1,479,965 = 1,479,965 : x
  2. Step 2: Convert to fraction form
    986,555/1,479,965 = 1,479,965/x
  3. Step 3: Cross multiply
    986,555x = 1,479,965 × 1,479,965
  4. Step 4: Simplify right side
    986,555x = 2,190,296,401,225
  5. Step 5: Solve for x
    x = 2,190,296,401,225/986,555
  6. Step 6: Final answer
    x = 2,220,146.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.