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Finding the Third Proportional to 654,839 and 984,695

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Solution

The third proportional to 654,839 and 984,695 is: 1,480,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,839 : 984,695 = 984,695 : x
  2. Step 2: Convert to fraction form
    654,839/984,695 = 984,695/x
  3. Step 3: Cross multiply
    654,839x = 984,695 × 984,695
  4. Step 4: Simplify right side
    654,839x = 969,624,243,025
  5. Step 5: Solve for x
    x = 969,624,243,025/654,839
  6. Step 6: Final answer
    x = 1,480,706.32

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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.