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Finding the Third Proportional to 274,024 and 409,922

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Solution

The third proportional to 274,024 and 409,922 is: 613,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,024 : 409,922 = 409,922 : x
  2. Step 2: Convert to fraction form
    274,024/409,922 = 409,922/x
  3. Step 3: Cross multiply
    274,024x = 409,922 × 409,922
  4. Step 4: Simplify right side
    274,024x = 168,036,046,084
  5. Step 5: Solve for x
    x = 168,036,046,084/274,024
  6. Step 6: Final answer
    x = 613,216.53

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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.