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Finding the Third Proportional to 621,718 and 934,881

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Solution

The third proportional to 621,718 and 934,881 is: 1,405,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,718 : 934,881 = 934,881 : x
  2. Step 2: Convert to fraction form
    621,718/934,881 = 934,881/x
  3. Step 3: Cross multiply
    621,718x = 934,881 × 934,881
  4. Step 4: Simplify right side
    621,718x = 874,002,484,161
  5. Step 5: Solve for x
    x = 874,002,484,161/621,718
  6. Step 6: Final answer
    x = 1,405,786.04

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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.