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Finding the Third Proportional to 51,430 and 106,956

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Solution

The third proportional to 51,430 and 106,956 is: 222,430.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430 : 106,956 = 106,956 : x
  2. Step 2: Convert to fraction form
    51,430/106,956 = 106,956/x
  3. Step 3: Cross multiply
    51,430x = 106,956 × 106,956
  4. Step 4: Simplify right side
    51,430x = 11,439,585,936
  5. Step 5: Solve for x
    x = 11,439,585,936/51,430
  6. Step 6: Final answer
    x = 222,430.21

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.