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Finding the Third Proportional to 53,826 and 117,912

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Solution

The third proportional to 53,826 and 117,912 is: 258,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,826 : 117,912 = 117,912 : x
  2. Step 2: Convert to fraction form
    53,826/117,912 = 117,912/x
  3. Step 3: Cross multiply
    53,826x = 117,912 × 117,912
  4. Step 4: Simplify right side
    53,826x = 13,903,239,744
  5. Step 5: Solve for x
    x = 13,903,239,744/53,826
  6. Step 6: Final answer
    x = 258,299.70

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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.