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Finding the Third Proportional to 51,972 and 113,832

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Solution

The third proportional to 51,972 and 113,832 is: 249,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972 : 113,832 = 113,832 : x
  2. Step 2: Convert to fraction form
    51,972/113,832 = 113,832/x
  3. Step 3: Cross multiply
    51,972x = 113,832 × 113,832
  4. Step 4: Simplify right side
    51,972x = 12,957,724,224
  5. Step 5: Solve for x
    x = 12,957,724,224/51,972
  6. Step 6: Final answer
    x = 249,321.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.