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Finding the Third Proportional to 262,728 and 416,084

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Solution

The third proportional to 262,728 and 416,084 is: 658,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,728 : 416,084 = 416,084 : x
  2. Step 2: Convert to fraction form
    262,728/416,084 = 416,084/x
  3. Step 3: Cross multiply
    262,728x = 416,084 × 416,084
  4. Step 4: Simplify right side
    262,728x = 173,125,895,056
  5. Step 5: Solve for x
    x = 173,125,895,056/262,728
  6. Step 6: Final answer
    x = 658,954.87

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.